Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any additional words.
Options:
a O=C(Nc1c(Cl)c(Cl)c(Cl)c2[nH]c(C(F)(F)F)nc12)c1ccccc1
b c1ccc(Nc2ccc(Nc3ccccc3)cc2)cc1
c CC(C)Nc1nc(Cl)nc(NC(C)C)n1
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}