You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methoxy-4-[(Z)-[(5-methyl-4-phenyl-1,3-thiazol-2-yl)hydrazinylidene]methyl]phenol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H17N3O2S
assistant