You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-2-(trifluoromethyl)benzene;3-methoxy-N-methyl-5-[6-(methylsulfanylmethyl)benzimidazol-1-yl]thiophene-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H26F3N3O2S2
assistant