Using O=P([O-])([O-])[O-], CCOC(=O)C1(C#N)OC1c1ccccc1 to produce COC(=O)C1(C(N)=O)OC1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.