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 (8S,11S,14S)-14-[[(2S)-4-amino-2-[[2-(3,3-dimethylbut-1-ynyl)-4-methylpyrimidine-5-carbonyl]amino]butanoyl]-methylamino]-3,18-bis(2-aminoethoxy)-N-(cyanomethyl)-11-methyl-10,13-dioxo-9,12-diazatricyclo[13.3.1.12,6]icosa-1(18),2,4,6(20),15(19),16-hexaene-8-carboxamide .
user
C43H55N11O7
assistant