Using COC(=O)[C@@]1(C)CCC[C@H]1N(Cc1ccccc1)[C@H](C)c1ccccc1 to produce COC(=O)[C@@]1(C)CCC[C@H]1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.