Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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=C1CNC(=S)N1
b) O=C1C2CC=CCC2C(=O)N1SC(Cl)(Cl)C(Cl)Cl
c) Cc1c(CC(=O)O)c2ccccc2n1C(=O)c1ccccc1
d) ClCC1C(CCl)C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl
e) CN1CCN(CCC(=O)NN=Cc2ccc([N+](=O)[O-])o2)CC1
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}