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, d, or e without using any other words.
Options:
[a] CCc1cc2c(s1)-n1c(C)nnc1CN=C2c1ccccc1Cl
[b] CCSc1nnc(C(C)(C)C)c(=O)n1N
[c] Cc1cn(C2C=CC(CO)O2)c(=O)[nH]c1=O
[d] CCCn1c(=O)c2[nH]c(C)nc2n(CC(C)C)c1=O
[e] O=C(O)C1CCCCC1(O)c1ccccc1
Answer: e
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}