Using OB(O)c1cncnc1, CC1(C)OC(NC2CCCCC2)=NS(=O)(=O)C1c1cccc(Br)c1 to produce CC1(C)OC(NC2CCCCC2)=NS(=O)(=O)C1c1cccc(-c2cncnc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.