You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(E)-[3-methoxy-4-[(4-methylphenyl)methoxy]phenyl]methylideneamino]-2-sulfanylidene-1,3-thiazolidin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H18N2O3S2
assistant