You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 4-[2-(3-chloro-4-methylanilino)-2-oxoethyl]sulfanyl-3-(4-methylphenyl)oxadiazol-3-ium-5-olate ?
user
C18H16ClN3O3S
assistant