You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2S)-2-[[(3-butoxy-3-oxopropyl)-(2-methylpropyl)carbamoyl]amino]-3-(4-phenylphenyl)propanoic acid by IUPAC nomenclature, provide its molecular formula.
user
C27H36N2O5
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