- The prediction probability values are transformed into six symbols: 0–0.1(---), 0.1–0.3(--), 0.3–0.5(-), 0.5–0.7(+), 0.7–0.9(++), and 0.9–1.0(+++). The token ‘+++’ or ‘++’ represents the molecule is more likely to be toxic or defective, while ‘---’ or ‘--’ represents nontoxic or appropriate. OB Oral Bioavailability, DL Drug-Likeness, DILI Drug induced liver injury, AMES The bacterial reverse mutation test