Using COc1cc(OC)c2c(=O)cc(-c3ccccc3Cl)oc2c1[C@@H]1CCN(C)[C@H]1CC#N to produce CN1CC[C@@H](c2c(O)cc(O)c3c(=O)cc(-c4ccccc4Cl)oc23)[C@@H]1CC#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.