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 3-(4-methylphenyl)-4-[2-[(2E)-2-(1-phenylethylidene)hydrazinyl]-1,3-thiazol-4-yl]-2H-oxadiazol-3-ium-5-one .
user
C20H18N5O2S+
assistant