Using C=Cc1ccsc1, CC(C)C(C)(C#N)N1C(=O)C=CC1=O to produce CC(C)C(C)(C#N)N1C(=O)c2ccc3ccsc3c2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.