Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) O=c1c(O)c(-c2ccc(O)c(O)c2)oc2cc(O)cc(O)c12
(b) CC(CC(=O)O)c1ccc(-c2ccccc2F)cc1
(c) COC(F)(F)C(Cl)Cl
(d) CP(=S)(Oc1ccccc1)Oc1ccc(C#N)cc1
(e) CCC1CC2CC3c4[nH]c5ccc(OC)cc5c4CCN(C2)C13
Answer: a
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}