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, c, d, or e without using any other words.
Options:
(a) CCOc1ccc(N2C(=O)C=CC2=O)cc1
(b) CC(=O)NC(=O)C(Cl)(Cl)Cl
(c) COC(=O)CC(C)=O
(d) O=C(Oc1ccccc1)c1ccccc1O
(e) CCCCN
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}