Using CC(=O)O, COC[C@]12CNCC[C@@]1(c1ccc(Cl)c(Cl)c1)C2 to produce COC[C@]12CN(C)CC[C@@]1(c1ccc(Cl)c(Cl)c1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.