You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(5-pyridin-2-yl-1,3,4-thiadiazol-2-yl)-4-(thiophen-2-ylmethylsulfamoyl)benzamide is given. What is its corresponding molecular formula?
user
C19H15N5O3S3
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