You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named ethyl 3-(4-methoxyphenyl)-10-oxo-5-thia-7,9,13-triazatricyclo[7.4.0.02,6]trideca-1(13),2(6),3,7,11-pentaene-11-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C19H15N3O4S
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