Using FC(F)(F)c1cccc(OCCl)c1, O=c1ncc(Cl)c[nH]1 to produce O=c1ncc(Cl)cn1COc1cccc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.