Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
[a] COP(=S)(OC)SCSc1ccc(Cl)c(Cl)c1
[b] C=COC(=O)c1ccccc1
[c] C#CCOP(=O)(OCCC)c1ccccc1
[d] Oc1c(Br)cc(Br)cc1Br
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}