Using CCCC1(F)CCN(C(=O)OC(C)(C)C)C(C(=O)OC)C1 to produce CCCC1(F)CCN(C(=O)OC(C)(C)C)C(C(=O)O)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.