You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(19-ethyl-19-hydroxy-14,18-dioxo-5-propyl-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4,6,8,10,15(20)-heptaen-8-yl) piperidine-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H31N3O6
assistant