Using O=C(NC1=N[C@@]2(c3cccc(F)c3F)CO[C@H](CO)[C@H]2CS1)c1ccccc1 to produce O=C[C@H]1OC[C@]2(c3cccc(F)c3F)N=C(NC(=O)c3ccccc3)SC[C@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.