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) NC1CC1
(b) O=P(OCC(Br)CBr)(OCC(Br)CBr)OCC(Br)CBr
(c) OCC1(CO)CC=CCC1
(d) CC(C)(C)c1cc(C2C(=O)c3ccccc3C2=O)cc(C(C)(C)C)c1
(e) CCCC(CCC)C(C)NC(=O)CC
Answer: b
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}