Using COC(=O)c1cc(Cl)cc(NC(=O)C2CCCC2)c1C, CI to produce COC(=O)c1cc(Cl)cc(N(C)C(=O)C2CCCC2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.