Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a) CCOC(=O)C1(c2ccccc2)CCN(CCOCC2CCCO2)CC1
b) COc1cc(C(=O)N2CCN(C(=O)c3cc(OC)c(OC)c(OC)c3)CC2)cc(OC)c1OC
c) CCC(CC)(CO)CO
d) O=C(OCCCOC(=O)c1ccccc1)c1ccccc1
e) O=C1C=CC(=O)N1CCCCCCN1C(=O)C=CC1=O
Answer: a
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}