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, or d without using any other words.
Options:
[a] C=C(C)c1cccc(C(C)(C)N=C=O)c1
[b] CC(C=O)=Cc1ccccc1
[c] ClC(Cl)(Cl)c1ccc(C(Cl)(Cl)Cl)cc1
[d] COC(=O)c1ccccc1N=NN(C)C
Answer: c
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}