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 other words.
Options:
a) CCCCCC(=O)O
b) O=c1[nH]c2c(c(=O)n1C1CCCCC1)CCC2
c) CC(=O)Nc1cccc(N=Nc2ccc(N(C)C)cc2)c1
d) O=C(Cl)CCl
e) ClC1=C(Cl)C2(Cl)C3C(Cl)OC(Cl)C3C1(Cl)C2(Cl)Cl
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}