Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) Cc1ccc(C(C)C)cc1O
(b) CCCCCCCCCCOC(=O)Cc1ccc(N(CCCl)CCCl)cc1
(c) CCC(C)OC(CBr)c1ccccc1
(d) O=C1CCCCCO1
(e) OCCOc1cc(Cl)c(Cl)cc1Cl
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}