Using CCCOc1ccccc1-c1nc(N)c(N)c(=O)[nH]1, OC(O)C(Cl)(Cl)Cl to produce CCCOc1ccccc1-c1nc2ncc(=O)[nH]c2c(=O)[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.