You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-chloro-2-[(2S,3S,5R,6S)-5-(3-chlorophenyl)-6-ethyl-3-prop-1-en-2-yloxan-2-yl]-6-methoxyphenoxy]acetic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H28Cl2O5
assistant