Using OB(O)c1cncnc1, CCn1ccc(C2(c3cccc(Br)c3)N=C(N)N(C)C2=O)c1 to produce CCn1ccc(C2(c3cccc(-c4cncnc4)c3)N=C(N)N(C)C2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.