You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-[5-[(2-chlorophenoxy)methyl]furan-2-yl]-1-(4-propan-2-ylphenyl)prop-2-en-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H21ClO3
assistant