Using O=C(NC1=N[C@@]2(c3cc(-c4cncc(F)c4)c(F)cc3F)COC[C@H]2CS1)c1ccccc1 to produce NC1=N[C@@]2(c3cc(-c4cncc(F)c4)c(F)cc3F)COC[C@H]2CS1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.