Using COC(=O)c1sccc1N(C(=O)[C@H]1CC[C@H](C)CC1)C1CCN(C(=O)OCc2ccccc2)CC1 to produce COC(=O)c1sccc1N(C(=O)[C@H]1CC[C@H](C)CC1)C1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.