You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-[[2-(cyclohexylmethyl)-3-[4-(3-hydroxyphenyl)-3,4-dimethylpiperidin-1-yl]propanoyl]amino]butanoic acid into molecular formula.
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C27H42N2O4
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