Using ClCc1cc(Cl)ccc1Cl, CC1OC(=O)c2ncc3[nH]c4ccccc4c3c21 to produce CC1OC(=O)c2ncc3c(c21)c1ccccc1n3Cc1cc(Cl)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.