N-(4-{[4-(ethoxyimino)-10-(3-formyl-4-methoxyphenoxy)-1,2-bis(4-hydroxybutyl)-6a-(prop-2-en-1-yloxy)-1,2,4,5,6,6a,11b,11c-octahydrobenzo[kl]xanthen-6-yl](propyl)sulfamoyl}phenyl)acetamide