to the dollar amount specified in section 5701(b)(1) per 1,810 milligrams of nicotine (and a proportionate tax at the like rate on any fractional part thereof). . (2) Taxable nicotine Section 5702 of such Code is amended by adding at the end the following new subsection: (q) Taxable nicotine (1) In general Except as otherwise provided in this subsection, the term taxable nicotine means any nicotine which has been extracted, concentrated, or synthesized. (2) Exception for products approved by Food and Drug Administration Such term shall not include any nicotine if the manufacturer or importer thereof demonstrates to the satisfaction of the Secretary of Health and Human Services that such nicotine will be used in— (A) a drug— (i) that is approved under section 505 of the Federal Food, Drug, and Cosmetic Act or licensed under section 351 of the Public Health Service Act