Using CI, CCN(CC)c1cccc2nc3n(c12)CCC(=O)NC3c1ccc(Cl)cc1Cl to produce CCN(CC)c1cccc2nc3n(c12)CCC(=O)N(C)C3c1ccc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.