Using CC(=O)N[C@@H](CS)C(=O)O, CC(C)(C)S(=O)NC1(C#N)COC1 to produce CC(C)(C)S(=O)NC1(C(=N)N)COC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.