Using O=C(Cl)c1cccnc1Cl, Nc1ccc(-c2ncc[nH]2)cc1 to produce O=C(Nc1ccc(-c2ncc[nH]2)cc1)c1cccnc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.