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 2-[8-[3-(difluoromethoxy)phenyl]-10-formyl-3,4,4a,10a-tetrahydro-1H-pyrano[4,3-b]chromen-10-yl]-1,1-dimethylguanidine into molecular formula.
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C23H25F2N3O4
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