Using COC(=O)c1ccc(-c2cc(C(F)F)ccc2F)c(C2=CCCC2(C)C)c1 to produce COC(=O)c1ccc(-c2cc(C(F)F)ccc2F)c(C2CCCC2(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.