Using COC(=O)CC(C)CC(=O)N(Cc1ccccc1)c1ccc(C#N)cc1 to produce CC(CC(=O)O)CC(=O)N(Cc1ccccc1)c1ccc(C#N)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.