Using CC(CN)n1nnnc1S, CC(C)(C)OC(=O)ON=C(C#N)c1ccccc1 to produce CC(CNC(=O)OC(C)(C)C)n1nnnc1S, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.