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, or c without using any other words.
Options:
a.) CCNc1nc(Cl)nc(NC(C)(C)C#N)n1
b.) C=C1C(=O)OC2CC(C)C3C=CC(=O)C3(C)C(O)C12
c.) C=CCOc1ccc(C2=C(c3ccccc3)C(C)(C)Oc3cc(OC)ccc32)cc1
Answer: a
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}