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 2,5-dimethyl-N-[2-(1-methyl-2,2-dioxo-2lambda6,1,3-benzothiadiazol-3-yl)ethyl]furan-3-carboxamide ?
user
C16H19N3O4S
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