Using COC(=O)C1CN(Cc2ccccc2)CC1(C)c1ccc(Cl)cc1 to produce CC1(c2ccc(Cl)cc2)CN(Cc2ccccc2)CC1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.