Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a. OC(CCN1CCCCC1)(c1ccccc1)C1CC2C=CC1C2
b. CCCC(Cc1ccccc1)N1CCCC1
c. COc1cc(C=O)ccc1O
d. CCN(CC)C(=O)c1ccc(O)c(OC)c1
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}