Using O=C(O)C(F)(F)F, CCOC(=O)C1=Cc2cccc(I)c2OCC1 to produce CCOC(=O)C1=Cc2cccc(C(F)(F)F)c2OCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.