You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 8-benzyl-5-methyl-7-oxo-12-phenyl-3-thia-1,8,10,11-tetrazatricyclo[7.4.0.02,6]trideca-2(6),4,9,11-tetraene-4-carboxamide .
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C23H19N5O2S
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