Using CN(C)C=C(Br)C=O, CC(C)(C)OC(=O)NC1(C(=N)N)CC1 to produce CC(C)(C)OC(=O)NC1(c2ncc(Br)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.