You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [1-[(2-methoxyphenyl)methyl]cyclohexyl]-[2-[[1-[(2-methoxyphenyl)methyl]cyclohexyl]-oxophosphaniumyl]ethyl]-oxophosphanium into molecular formula.
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C30H42O4P2+2
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