You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2R)-2-(2-aminoethyl)-N-[(2S,5R)-1-hydroxy-5-(hydroxymethyl)-3,6-dioxo-6-[[(2S,5S,8S,11S,16S,19S,22S)-5,8,19-tris(2-aminoethyl)-22-benzyl-2,11-bis[(1R)-1-hydroxyethyl]-3,6,9,12,17,20,23-heptaoxo-1,4,7,10,13,18-hexazacyclotricos-16-yl]amino]hexan-2-yl]-4-oxoundecanamide .
user
C54H90N12O15
assistant