Using CI, CCOC(=O)C[C@@H]1CCc2cc(OCCCNc3nc(Cl)ncc3Cl)ccc21 to produce CCOC(=O)C[C@@H]1CCc2cc(OCCCN(C)c3nc(Cl)ncc3Cl)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.