You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-N-[[2-(4-chlorophenyl)-1,3-thiazol-4-yl]methoxy]-1-(4-ethoxy-3-methoxyphenyl)methanimine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H19ClN2O3S
assistant