You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-[(2-methylphenyl)methyl]-11-(1,3,4-thiadiazol-2-yl)-2,5,7,11-tetrazatricyclo[7.4.0.02,6]trideca-1(9),6-dien-8-one into its molecular formula.
user
C19H20N6OS
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