You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-phenyl-N-(2-phenyl-1-benzofuran-6-yl)-N-(2-phenyl-1-benzothiophen-6-yl)-1-benzofuran-6-amine into molecular formula.
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C42H27NO2S
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