Using COC(=O)CC1CCN(C(=O)OC(C)(C)C)CC1, CC(C)(C)C(=O)Nc1c(F)cccc1C=O to produce COC(=O)C(C1CCN(C(=O)OC(C)(C)C)CC1)C(O)c1cccc(F)c1NC(=O)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.