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) CNC(=O)c1ccc(Cl)c(S(=O)(=O)NC)c1
b) Cc1ccc(N)cc1Br
c) CCCCC(CC)COC(=O)COc1cc(Cl)c(Cl)cc1Cl
d) CC(=O)OCc1ccc(C)cc1
e) OCCOCCOCCN1CCN(C(c2ccccc2)c2ccc(Cl)cc2)CC1
Answer: a
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}