Using CCOC(=O)CC(=O)c1cc(Cl)cc(Cl)c1, CCOC(=O)c1ccc([C@H](C)[NH2+]N)cc1 to produce CCOC(=O)c1ccc([C@H](C)N2N=C(c3cc(Cl)cc(Cl)c3)CC2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.