Using CI, CCc1nn(C2CCCC2)c2cc(C(=O)Nc3c(Cl)cncc3Cl)ccc12 to produce CCc1nn(C2CCCC2)c2cc(C(=O)N(C)c3c(Cl)cncc3Cl)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.