Using O=C(NC(=S)N[C@@]1(c2cc(Br)cs2)CCOC[C@H]1CO)c1ccccc1 to produce O=C(NC1=N[C@@]2(c3cc(Br)cs3)CCOC[C@H]2CS1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.