Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any other words.
Options:
[a] CC(C)CCCCCCCOC(=O)CCCCC(=O)OCCCCCCCC(C)C
[b] C=CC(=O)OCCCCCCCCCC
[c] ClC1=C(Cl)C2(Cl)C3C4OC(C5OC54)C3C1(Cl)C2(Cl)Cl
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}