Using O=C([O-])[O-], COC(=O)C1CCOc2cc(F)c(C#N)cc21 to produce COC(=O)C1(C)CCOc2cc(F)c(C#N)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.