Using COC(=O)c1c(C)cc2c(c1O)[C@]1(O)C(=O)c3cc4c(c(O)c3C(=O)[C@]1(OC)[C@H](O)C2)C(=O)C=C(N[C@H]1O[C@@H](C)[C@H](OC)C(=NO)[C@H]1OC)C4=O, CON to produce CO/N=C1/[C@@H](OC)[C@H](C)O[C@H](NC2=CC(=O)c3c(cc4c(c3O)C(=O)[C@]3(OC)[C@H](O)Cc5cc(C)c(C(=O)OC)c(O)c5[C@]3(O)C4=O)C2=O)[C@@H]1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.