Using OB(O)c1ccc(Cl)cc1, Cc1nc(Cl)cc2nn(Cc3ccc(C(F)(F)F)nc3)c(=O)n12 to produce Cc1nc(-c2ccc(Cl)cc2)cc2nn(Cc3ccc(C(F)(F)F)nc3)c(=O)n12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.