Using CC1(C)OB(c2ccc(CBr)cc2)OC1(C)C, Oc1ccccc1-c1csnn1 to produce CC1(C)OB(c2ccc(CSc3cc4ccccc4o3)cc2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.