Using NC(N)=S, CC(=O)Nc1ccc(C=C(C#N)C#N)cc1 to produce CC(=O)Nc1ccc(C2=C(C#N)C(N)=NC(S)N2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.