Using Nc1nc2c(ncn2[C@H]2C[C@H](F)[C@@H](CO)O2)c(=O)[nH]1, CC(C)[C@H](NC(=O)OCc1ccccc1)C(=O)O to produce CC(C)[C@H](NC(=O)OCc1ccccc1)C(=O)C(O)[C@H]1O[C@@H](n2cnc3c(=O)[nH]c(N)nc32)C[C@@H]1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.