Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any other words.
Options:
a) CC(C)OC(=O)C(O)(c1ccc(Br)cc1)c1ccc(Br)cc1
b) O=c1[nH]c(=O)n(CC2CC2)c2nc[nH]c12
c) COCc1ccc(COC(=O)C2C(C=C(C)C)C2(C)C)cc1
Answer: b
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}