You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1R,10S)-4,5-dimethoxy-15-thia-11-azatetracyclo[8.7.0.02,7.013,17]heptadeca-2,4,6,13,16-pentaen-12-one into its molecular formula.
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C17H17NO3S
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