more than 1 possible date when an applicant may seek an approval of its application or begin the commercial marketing of its drug— (I) the applicant may seek an approval of its application or begin such commercial marketing on the date that is the earlier of— (aa) the latest date set forth in the agreement on which that applicant can receive an approval that is made effective under this subparagraph, subparagraph (F) of this paragraph, section 505A, or section 527, or begin the commercial marketing of such drug, without regard to any other provision of such agreement pursuant to which the commercial marketing could begin on an earlier date