You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name tert-butyl N-[4-[(3S,6R,9S,18S,21R)-6,15-dibenzyl-3-butan-2-yl-16-methyl-2,5,8,14,17,20-hexaoxo-1,4,7,13,16,19-hexazatricyclo[19.4.0.09,13]pentacosan-18-yl]butyl]carbamate ?
user
C47H67N7O8
assistant