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) CC(=O)C=CC1=C(C)CCCC1(C)C
(b) Cc1cc(=O)[nH]c(=O)[nH]1
(c) CCN1CN(CC)CN(CC)C1
(d) C=CCOC=C
(e) CC(=O)CC1OCC(CCl)O1
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}