Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a Cc1ccccc1COC1CC2(C(C)C)CCC1(C)O2
b CC(Cc1ccc(C(C)(C)C)cc1)CN1CCCCC1
c Cc1cc(=O)[nH]o1
d CC(C)CCCCCCCOC(=O)CCCCC(=O)OCCCCCCCC(C)C
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}