Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any other words.
Options:
a) NC(Cc1ccc(O)c(C(=O)O)c1)C(=O)O
b) O=C1C(=C(Cl)Cl)C(=O)C2(Cl)C3C=CC(C3)C12Cl
c) Cc1cc(O)ccc1S(C)(=O)=O
d) CN(C)N=Nc1ccc(F)cc1
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}