You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-ethyl-3-[[3-(4-methylphenyl)-1,2-oxazol-5-yl]methyl]-1-(pyridine-3-carbonyl)piperidine-3-carboxamide into molecular formula.
user
C25H28N4O3
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