Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) CCC(=O)OCCOc1ccccc1
(b) CN1CCCCC1CCN1c2ccccc2Sc2ccc(Br)cc21
(c) CC(Cc1ccccc1)NN
(d) CCCc1ccc(O)cc1
(e) O=[N+]([O-])c1ccc2ccccc2c1
Answer: c
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}