Using CC(=O)c1cc(NC(=O)c2ccccc2)cc(C(C)=O)c1, N=C(N)NN to produce CC(=NNC(=N)N)c1cc(NC(=O)c2ccccc2)cc(C(C)=NNC(=N)N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.