(2R,3S,6R,7E,9R,10R,12R,14S,15E,17E,19E,21S)-22-[(2S,5R,6R)-6-{2-[(2S)-2-carboxypyrrolidin-1-yl]-1,2-dioxoethyl}-6-hydroxy-5-methyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]-9-hydroxy-1-[(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-10,21-dimethoxy-2,6,8,12,14,20-hexamethyl-5,11-dioxodocosa-7,15,17,19-tetraen-3-yl