Using CCCCCCCOC(=O)Nc1cc(C#N)cc(C)c1N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C to produce CCCCCCCOC(=O)Nc1cc(C#N)cc(C)c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.