You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[2-methyl-1-oxo-1-[3-(3-phenoxypyrazin-2-yl)piperidin-1-yl]propan-2-yl]-2-phenylacetamide .
user
C27H30N4O3
assistant