Using O=C(c1cccc(C(F)(F)F)c1)c1cccc(C(F)(F)F)c1 to produce OC(c1cccc(C(F)(F)F)c1)c1cccc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.