You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[2-[4-(3-cyclohexylpropanoyl)piperazine-1-carbonyl]-6-methylphenyl]pyridine-4-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C27H34N4O3
assistant