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) CCOP(=O)(Oc1ccc([N+](=O)[O-])cc1)SCC
(b) CC(C)=CCOC(=O)c1ccccc1
(c) Cc1ccc(N)cc1[N+](=O)[O-]
(d) c1ccc2ncccc2c1
(e) CCC(=O)OC(Cc1ccccc1)(c1ccccc1)C(C)CN(C)C
Answer: d
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}