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, d, or e without using any additional words.
Options:
a O=CCCCC=O
b CC(C)N(CCC(C(N)=O)(c1ccccc1)c1ccccn1)C(C)C
c CCOP(=S)(Oc1cnn(-c2ccccc2)c(=O)c1OC)OC(C)C
d CC1(C)C(=O)N(Br)C(=O)N1Br
e OCC1COC(Cc2ccccc2)O1
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}