You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2E)-2-[(4-methoxyphenyl)methylidene]cyclohexan-1-one;(2E)-2-[(4-methoxyphenyl)methylidene]cyclopentan-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H30O4
assistant