Carbolineum safety and removal from wood
This seems to be something that penetrates into the wood and will be very difficult to remove.
I would find the manufacturer from the empty cans and phone their customer support number for advice.
I'm no expert but I suspect your choices include

Paint over it with a &quot;bituminous aluminum system&quot; and hope for the best.
Replace the affected wood.
Move out and ventilate continuously until the smell has fallen to an acceptable level

Here is a description from one maker of carbolineum

Application

Suitable as supplied for application by brush, spray or dip.
Apply  copiously  in  one  or  more  coats  until  wood  is saturated.  Where  poles  are  to  be  set  in  the  ground  it  is advisable  to  stand  ends  in  CARBOLINEUM  WOOD  PRESERVER  for  several  days  to  ensure  maximum  impregnation.
Wash equipment with MINERAL TURPENTINE (AZH 1) immediately after use.

Warnings

Do not apply to surfaces that come into direct contact with food or feedstuffs.
Store away from food and feedstuffs.
CARBOLINEUM WOOD PRESERVER has a strong, long-lasting smell and is extremely dark in colour.
Even after prolonged drying, decorative paints or varnish must not be used over CARBOLINEUM WOOD
PRESERVER.  Only a bituminous aluminium system may be applied.
Do not use on seats, benches or tables  as staining of clothing is likely.
Toxic to birds and fish.
Keep water out of CARBOLINEUM WOOD PRESERVER.

Safety Precautions

Avoid inhalation of fumes and excessive or prolonged skin contact.  Use suitable respirator and gloves.  Wash with soap and water after use.
If eyes are contaminated, flush with clear water for 15 minutes.
Ensure adequate ventilation whilst applying.
Prevent contamination of eating utensils, water, rivers, etc. with
CARBOLINEUM WOOD PRESERVER
or mineral turpentine used for cleaning equipment.
Destroy empty container and do not re-use for any other purpose.
Keep out of reach of children.
Refer to Material Safety Data Sheet for complete information.


(my emphasis)