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-chlorophenyl)sulfonylmethyl]-N-[2-(4-sulfamoylphenyl)ethyl]-1,2,4-oxadiazole-5-carboxamide .
user
C18H17ClN4O6S2
assistant