Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a.) CCCCC(CC)COC(=O)c1ccccc1C(=O)O
b.) Nc1cc2c(S(=O)(=O)O)cc(S(=O)(=O)O)cc2cc1S(=O)(=O)O
c.) CCCCOCCOCCOC(=O)c1ccccc1C(=O)OCCOCCOCCCC
d.) CN(C)C(=O)CCNc1ccc(Br)cc1
e.) S=C=Nc1ccc(Br)cc1
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}