Using O=C(Cl)c1ccc(Cl)cc1, NC1=C(Cl)C(=O)c2ccccc2C1=O to produce O=C1c2ccccc2C(=O)c2oc(-c3ccc(Cl)cc3)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.