You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-benzyl-13-methyl-4-prop-1-en-2-yl-8-oxa-3-thia-1,11,12-triazatricyclo[8.3.0.02,6]trideca-2(6),4,10,12-tetraene into its molecular formula.
user
C19H19N3OS
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