Using O=C(Nc1ccc2cccnc2c1)c1ccc(Cl)nc1, OB(O)c1ccc(C(F)(F)F)cc1 to produce O=C(Nc1ccc2cccnc2c1)c1ccc(-c2ccc(C(F)(F)F)cc2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.