Using CCCCCC(C)OC(=O)OC(=O)[O-], O=c1nc(-c2ccc(Cl)cc2)c2c(=O)nc(-c3ccc(Cl)cc3)c1=2 to produce CCCCCC(C)OC(=O)N1C(=O)C2=C(c3ccc(Cl)cc3)N(C(=O)OC(C)CCCCC)C(=O)C2=C1c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.