Using OCCCC(F)(F)C(F)(F)F, CCOC(=O)CCCCCOS(=O)(=O)c1ccc(C)cc1 to produce CCOC(=O)CCCCCOCCCC(F)(F)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.