Catalysis of the reaction: estradiol-17alpha 3-D-glucuronoside + UDP-N-acetyl-alpha-D-glucosamine = 17alpha-(N-acetyl-D-glucosaminyl)-estradiol 3-D-glucuronoside + H+ + UDP.
UDP-N-acetyl-D-glucosamine:estradiol-17alpha-3-D-glucuronoside 17alpha-N-acetylglucosaminyltransferase activity