You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-methoxy-4,5-dimethyl-N-[(5-thiophen-2-yl-1,3,4-oxadiazol-2-yl)methyl]benzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H17N3O4S2
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