Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) CC(CN(C)C)CN1c2ccccc2Sc2ccccc21
(b) OC(CN1CCCCC1)c1cc(-c2ccccc2)on1
(c) CC(C)c1cccc(OC(=O)N(C)C(=O)CCl)c1
(d) CC(=O)Oc1ccccc1
(e) CN1CCCCC1CCN1c2ccccc2Sc2ccc(Cl)cc21
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}