You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (5S)-5-(2-hydroxy-4-methoxyphenyl)-11-methyl-8-thia-4,6,11-triazatricyclo[7.4.0.02,7]trideca-1(9),2(7)-dien-3-one by IUPAC nomenclature, provide its molecular formula.
user
C17H19N3O3S
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