You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (3R)-N-cyclopropyl-5,6-difluoro-N-[(2-methylpyridin-3-yl)methyl]spiro[1H-2-benzofuran-3,4'-piperidine]-3'-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C23H25F2N3O2
assistant