Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) Cc1cc(O)ccc1[N+](=O)[O-]
(b) O=C(O)c1cc(C(=O)O)cc(S(=O)(=O)O)c1
(c) C#CCOS(=O)OC1CCCCC1Oc1ccc(C(C)(C)C)cc1
(d) CC(N)c1ccccc1
(e) CCSC(SCC)c1ccccc1OC(=O)NC
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}