You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-[3-[(2,6-dichlorophenoxy)methyl]-4-methoxyphenyl]-1-(3-methoxyphenyl)prop-2-en-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H20Cl2O4
assistant