Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any additional words.
Options:
[a] CCN(CC)C(=O)CSc1ccc(Cl)nn1
[b] CC(C)=CCC(CCN1CCCC1)(C(N)=O)c1cccc2ccccc12
[c] CCCCCC(CO)CCC
Answer: c
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}