Using CS(=O)(=O)OCCc1ccc(C#N)cn1, CC(C)(C)OC(=O)NCCN to produce CC(C)(C)OC(=O)NCCNCCc1ccc(C#N)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.