You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[5-(2-chlorophenyl)-1,3,4-oxadiazol-2-yl]methyl]-N-cyclopropyl-3,5-dimethyl-1,2-oxazole-4-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H17ClN4O4S
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