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: c1ccc2ccccc2c1
b: CCCN(CCC)S(=O)(=O)c1ccc(C(=O)O)cc1
c: C=CCOC(=O)c1ccc(C(=O)OCC=C)c(C(=O)OCC=C)c1
d: O=C1CCCCC(=O)N1
e: CCCOC(=O)c1cc(O)c(O)c(O)c1
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}