Using C=C(CN(CC(F)(F)F)c1ccc(C#N)c(C(F)(F)F)c1)C(=O)OC to produce COC(=O)C(C)CN(CC(F)(F)F)c1ccc(C#N)c(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.