You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule methyl 4-[[methyl-[(11-oxo-1-azatricyclo[6.3.1.04,12]dodeca-4,6,8(12),9-tetraen-10-yl)methyl]carbamothioyl]amino]benzoate into molecular formula.
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C22H21N3O3S
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