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 methyl 4-[acetyl-(4,4,4-trifluoro-3-oxo-1-phenylbutan-2-yl)amino]-3-oxo-5-phenyl-2-propan-2-yl-2H-pyrazine-1-carboxylate .
user
C27H28F3N3O5
assistant