Using CC(C)(C)OC(=O)NC(C(=O)N1CCC2NCC(c3c[nH]c4cc(F)ccc34)C21)C1CCCCC1, CC(=O)OC(C)=O to produce CC(=O)N1CC(c2c[nH]c3cc(F)ccc23)C2C1CCN2C(=O)C(NC(=O)OC(C)(C)C)C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.