Using CCOCC, CN1CCC2(CC1)N=C(c1ccccc1)c1cc(Cl)ccc1NC2=O to produce CN1CCC2(CC1)N=C(c1ccccc1)c1cc(Cl)ccc1N(C)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.