Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a c1ccc(Nc2ccc(NC3CCCCC3)cc2)cc1
b CCCCCCCCc1ccc(C(CBr)OCCCC)cc1
c CC(C)(Oc1ccc(Cl)cc1)C(=O)O
d C=CC(=O)OCCOc1ccccc1
e OCCOCCOCCN1CCN(C(c2ccccc2)c2ccc(Cl)cc2)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}