Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) FC(F)C(F)(F)Oc1ccccc1
(b) CCCCC(CC)COC(=O)c1ccccc1C(=O)O
(c) COS(=O)(=O)c1ccccc1
(d) COc1c(O)cc(Cl)c(Cl)c1Cl
(e) CCCCCCCCCCOC(=O)Cc1ccc(N(CCCl)CCCl)cc1
Answer: c
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}