Using COc1ccc(C2=NC(=S)SC2c2ccc(OC)cc2)cc1, COC(CBr)OC to produce COc1ccc(-c2nc(SCC(OC)OC)sc2-c2ccc(OC)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.