You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]methylidene]-1-[(1R)-1-(2-methylphenyl)ethyl]piperidin-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H29N3O2
assistant