Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any other words.
Options:
[a] CCOP(=S)(CC)Oc1ccc(Cl)cc1Cl
[b] CC(=O)Oc1c(C(C)(C)C)cc([N+](=O)[O-])c(C)c1[N+](=O)[O-]
[c] CN1CCCCC1CCN1c2ccccc2Sc2ccc(S(C)=O)cc21
Answer: b
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}