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) OC1(c2ccc(Cl)cc2)c2ccccc2C2=NCCN21
b) CC(=O)Nc1ccc(S(=O)(=O)Nc2cc(C)on2)cc1
c) CC(O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
d) CCCCC(CC)COC(CBr)c1ccc(C2CCCCC2)cc1
e) O=C(O)Cc1ccc2c(c1)C(=O)c1ccccc1CN2
Answer: e
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}