You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-benzyl-3-hydroxy-3-(2-methyl-3H-benzimidazol-5-yl)isoindol-1-one;2,2,2-trifluoroacetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H20F3N3O4
assistant