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 additional words.
Options:
[a] O=C(Cn1c(=O)sc2ccc(Cl)cc21)N1CCN(CCO)CC1
[b] CCOP(=S)(OCC)Oc1cc(Cl)c(I)cc1Cl
[c] CCCCC(CC)COC(=O)c1ccccc1C(=O)O
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}