Using COc1cnc(Cl)nc1OC, OB(O)c1ccc(C(F)(F)F)cc1 to produce O=c1[nH]c(-c2ccc(C(F)(F)F)cc2)ncc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.