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 (1S,11S,12R,16R)-14-(4-acetylphenyl)-13,15-dioxo-N-phenyl-9,10,14-triazatetracyclo[8.6.0.02,7.012,16]hexadeca-2,4,6,8-tetraene-11-carboxamide .
user
C28H22N4O4
assistant