Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) CC(C)=CCCC1=CCC(C=O)CC1
(b) CC1=CC(=O)C(C(C)C)CC1
(c) Cc1ccc(C2=CCN(CCC(=O)c3ccc4c(c3)CCC(=O)N4)CC2)cc1
(d) CCCCCOC(CBr)c1ccc(C2CCCC2)cc1
(e) CC=CCO
Answer: e
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}