You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 18-[[(1S)-4-[[2-[[2-[[(1S,4S,10S,13S,16S,20R,22S,25S,28S,31S,34S,37S,40S,43R,49S)-28-(2-aminoethyl)-13-(aminomethyl)-4-(2-amino-2-oxoethyl)-34,37-dibutyl-31-[[1-(carboxymethyl)indol-3-yl]methyl]-20-hydroxy-49-[(4-hydroxyphenyl)methyl]-25-(1H-indol-3-ylmethyl)-33,36-dimethyl-16,40-bis(2-methylpropyl)-2,5,11,14,17,23,26,29,32,35,38,41,47,50-tetradecaoxo-45-thia-3,6,12,15,18,24,27,30,33,36,39,42,48,51-tetradecazatetracyclo[49.4.0.06,10.018,22]pentapentacontane-43-carbonyl]amino]acetyl]amino]-2-carboxyethyl]amino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid into molecular formula.
user
C119H177N23O29S
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