You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-[6-[2-(4-fluoro-1-benzothiophen-5-yl)ethylamino]pyrimidin-4-yl]-2-(2-methylpropyl)benzoic acid by IUPAC nomenclature, provide its molecular formula.
user
C25H24FN3O2S
assistant