You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-(3,5-dimethylpiperazin-1-yl)-5-(1-methyl-5-nitroimidazol-2-yl)-1,3,4-thiadiazole by IUPAC nomenclature, provide its molecular formula.
user
C12H17N7O2S
assistant