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.) COP(=S)(OC)SC(C)N1CC(=O)C(=O)C1
b.) Brc1ccc(-c2ccc(Br)c(Br)c2Br)c(Br)c1Br
c.) O=S1c2ccccc2N(CCCN2CCN(CCO)CC2)c2cc(Cl)ccc21
d.) ClC1=C(Cl)C2(Cl)C3C(Cl)OC(Cl)C3C1(Cl)C2(Cl)Cl
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}