N-[1-amino-3-[2-(diethylamino)ethyl-methylamino]-1-oxopropan-2-yl]-2-[30-[(2S,4S,5R,6S)-5-(dimethylamino)-4-hydroxy-4,6-dimethyloxan-2-yl]oxy-52-hydroxy-18-(1-hydroxyethyl)-21-(1-methoxyethylidene)-9,16,19,26,31,42,46-heptaoxo-32,43,54-trioxa-3,13,23,49-tetrathia-7,17,20,27,45,51,52,55,56,57-decazadecacyclo[26.16.6.229,40.12,5.112,15.122,25.138,41.147,50.06,11.034,39]heptapentaconta-2(57),4,6,10,12(56),14,22(55),24,34(39),35,37,40,47,50-tetradecaen-8-ylidene]-3H-1,3-thiazole-4-carboxamide