Using CN(C)C=NC(=O)c1cc(Br)cs1, CN1CCN(C(=N)N)CC1 to produce CN1CCN(c2ncnc(-c3cc(Br)cs3)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.