[(2R)-10,13-dimethyl-17-(6-methylheptan-2-yl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-2-yl] N-[4-[14-(3a,7a-dihydro-3H-indol-3-ylmethyl)-17-benzyl-4-(1,3-dihydroxybutan-2-ylcarbamoyl)-7-(1-hydroxyethyl)-20-[[2-[[1-[1-(1-methylpyridin-1-ium-3-carbonyl)pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]-3-phenylpropanoyl]amino]-6,9,13,16,19-pentaoxo-1,2-dithia-5,8,11,15,18-pentazacyclohenicos-10-yl]butyl]carbamate