You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (3-methyl-13-methylsulfanyl-3,4,12,14-tetrazatricyclo[8.4.0.02,6]tetradeca-1(14),2(6),4,10,12-pentaen-5-yl) hydrogen carbonate by IUPAC nomenclature, provide its molecular formula.
user
C13H14N4O3S
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