Using O=C([O-])[O-], O=C1CCNc2ccc(Cl)cc2N1c1ccccc1 to produce CN1CCC(=O)N(c2ccccc2)c2cc(Cl)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.