You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(4-aminopyridin-3-yl)-1-N-(2,3-diaminopropyl)-3-(2H-tetrazol-5-yl)benzene-1,2-disulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H20N10O4S2
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