Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) CC(C(=O)O)c1ccc(-c2cn3ccccc3n2)cc1
(b) CCOc1ccc(-c2ccccc2)cc1CN1CCCC1
(c) SCCc1cnccn1
(d) O=C(O)c1ccccc1Nc1c(Cl)cc(Cl)c2ccccc12
(e) O=C(O)C(c1ccc(Cl)cc1)c1ccc(Cl)cc1
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}