You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-methyl-N-[2-[[1-(4-methylphenyl)-4-phenylimidazol-2-yl]amino]-2-oxoethyl]-N-[[(2S)-oxolan-2-yl]methyl]propanamide by IUPAC nomenclature, provide its molecular formula.
user
C27H32N4O3
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