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, or d without using any other words.
Options:
a: Nc1c(I)cc(I)c(C(=O)N(CCC(=O)O)c2ccccc2)c1I
b: CNc1nc(C)nc(OC)n1
c: C=C1C(=O)OC2CC(C)C3C=CC(=O)C3(C)C(O)C12
d: Cc1cnc(C)cn1
Answer: d
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}