You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[[2-chloro-4-[(Z)-(1,3-dimethyl-5-oxo-2-sulfanylideneimidazolidin-4-ylidene)methyl]-6-ethoxyphenoxy]methyl]benzonitrile ?
user
C22H20ClN3O3S
assistant