Using NNC1=Nc2ccc(Br)cc2C(c2ccccn2)=NC1, CCC(CC)(CC)C([O-])([O-])[O-] to produce Cc1nnc2n1-c1ccc(Br)cc1C(c1ccccn1)=NC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.