You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule tert-butyl (11R)-2-amino-10,15-dioxo-9,13,16-triazatetracyclo[15.3.1.02,4.011,16]henicosa-1(21),17,19-triene-13-carboxylate ?
user
C23H32N4O4
assistant