You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [2-[(1-cyanocyclohexyl)-methylamino]-2-oxoethyl] 3-phenyl-1H-pyrazole-5-carboxylate is given. What is its corresponding molecular formula?
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C20H22N4O3
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