Using Cc1c(C(=O)OC(C)(C)C)cc(C2CCN(C(=O)OCc3ccccc3)CC2)n1CCc1ccc(F)cc1 to produce Cc1c(C(=O)OC(C)(C)C)cc(C2CCN(C)CC2)n1CCc1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.