Using Fc1cc(F)cc(SCCBr)c1, COC(=O)[C@H]1CNCC[C@H]1CCC(O)c1ccnc2ccc(OC)cc12 to produce COC(=O)[C@H]1CN(CCSc2cc(F)cc(F)c2)CC[C@H]1CCC(O)c1ccnc2ccc(OC)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.