[(3S)-oxolan-3-yl] N-[(2S,3R)-4-[(4-aminophenyl)sulfonyl-(2-methylpropyl)amino]-1-[4-[2-[4-[(2S,5R,8S,11S,14S,17S,20S,23R,26S,29S,32S)-20-ethyl-23-(hydroxymethyl)-17-[(1R)-1-hydroxy-2-methylpropyl]-5,7,10,13,16,22,25,31-octamethyl-8,11,26,32-tetrakis(2-methylpropyl)-3,6,9,12,15,18,21,24,27,30,33-undecaoxo-14,29-di(propan-2-yl)-1,4,7,10,13,16,19,22,25,28,31-undecazacyclotritriacont-2-yl]butylamino]-2-oxoethoxy]phenyl]-3-hydroxybutan-2-yl]carbamate