Email Post: 11-[(E)-Benzyl­idene]-14-hy­droxy-8-phenyl-6-thia-3,13-diaza­hepta­cyclo­[13.7.1.1(9,13).0(2,9).0(2,14).0(3,7).0(19,23)]tetra­cosa-1(22),15(23),16,18,20-pentaen-10-one