Using O=C(Cl)c1ccc(Cl)cc1, CCOC(=O)C=CC=Cc1cc2cc(OC)ccc2[nH]1 to produce CCOC(=O)C=CC=Cc1cc2cc(OC)ccc2n1C(=O)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.