You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[1-(furan-2-carbonyl)piperidin-4-yl]-6-methyl-N-[(3-methylphenyl)methyl]pyridine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H27N3O3
assistant