Using Cc1nn(C(=O)OC(C)(C)C)cc1B1OC(C)(C)C(C)(C)O1, CCN1c2cc(Br)sc2C(=O)NC12CCCC2 to produce CCN1c2cc(-c3cn[nH]c3C)sc2C(=O)NC12CCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.