You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(3-fluorophenyl)-2-methyl-4-(4-methylphenyl)-5-oxo-7-thiophen-2-yl-4,6,7,8-tetrahydro-1H-quinoline-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H25FN2O2S
assistant