Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any additional words.
Options:
a) CCOP(=S)(OCC)SCn1nnc2ccccc2c1=O
b) ClC1=C(Cl)C2(Cl)C3C(Br)C=CC3C1(Cl)C2(Cl)Cl
c) CN(C)N=Nc1ccc(I)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}