Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
(a) CNC(=S)NN
(b) CC(Cl)(C=O)CCl
(c) FC(F)(F)c1nc2c(Br)cc(Br)cc2[nH]1
(d) O=C1C(Cl)=C(NC(=O)C(Cl)Cl)C(=O)c2ccccc21
(e) CCCCCOC(C)=O
Answer: b
Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest {acute_toxicity__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}