Using COC(=O)[C@H](O)CNC(=O)c1ccc(CN(C(=O)OC(C)(C)C)c2ccc(C3CCCCC3)cc2)cc1 to produce COC(=O)[C@H](O)CNC(=O)c1ccc(CNc2ccc(C3CCCCC3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.