You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[3-[(E)-2-[3-(4-chlorophenyl)-2-methylphenyl]ethenyl]-4-methylphenyl]-3-(hydroxymethyl)-3-methylpentan-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H31ClO2
assistant