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 1-(4-tert-butylphenyl)-2-(3-chloro-4-methylphenyl)-6,7-dimethyl-1H-chromeno[2,3-c]pyrrole-3,9-dione into molecular formula.
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C30H28ClNO3
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