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 (5Z)-2-(5-chloro-2-methoxyphenyl)imino-5-[(4-methoxy-3-methylphenyl)methylidene]-1,3-thiazolidin-4-one .
user
C19H17ClN2O3S
assistant