You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule methyl 2-[(5Z)-5-[[3,5-dichloro-4-[(4-iodophenyl)methoxy]phenyl]methylidene]-3-(4-methoxyphenyl)-4-oxo-2-sulfanylideneimidazolidin-1-yl]acetate .
user
C27H21Cl2IN2O5S
assistant