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 (5E)-3-(3-chloro-4-methoxyphenyl)-5-(furan-2-ylmethylidene)-2-(2-methylprop-2-enylsulfanyl)imidazol-4-one .
user
C19H17ClN2O3S
assistant