Using O=C(Cl)c1ccc(-c2nc3ccccc3o2)cc1, COc1cccc(O)c1 to produce COc1ccc(C(=O)c2ccc(-c3nc4ccccc4o3)cc2)c(O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.