Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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)OC(=O)COc1cc(Cl)c(Cl)cc1Cl
(b) CC1CC(=O)CC(C)O1
(c) O=C(CCCl)NCc1ccccc1
(d) CCOC(C1=NCCCN1)c1c(Cl)cccc1Cl
(e) CCCCCCCCCCOC(=O)c1ccccc1C(=O)OCCCCCCCC
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}