S=C1NC(=O)C(N1)=CC2=Cc3cc(OCCOc4cc(C)ccc4N(CC(=O)OCOC(=O)C)CC(=O)OCOC(=O)C)c(cc3O2)N(CC(=O)OCOC(=O)C)CC(=O)OCOC(=O)C