Using CCOC(=O)c1cccc2c1C[C@H]1N(Cc3ccccc3)CC[C@]2(C)C1(C)C to produce CCOC(=O)c1cccc2c1C[C@H]1NCC[C@]2(C)C1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.