Using CCOC(=O)CCC(C#N)c1cnc(NC(=O)OC(C)(C)C)cn1 to produce CC(C)(C)OC(=O)Nc1cnc(C2CCC(=O)NC2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.