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, d, or e without using any other words.
Options:
a CCN(C(=O)c1cc(Cl)nc(Cl)c1)C1CC1
b CNC(=O)ON=C1C(Cl)C2CC(C#N)C1C2
c O=C(NN=C1C=CC(=NO)C=C1)c1ccccc1
d CN(CCN(C)N=O)N=O
e FC(F)(F)C(F)(F)OC(F)(F)C(F)(F)F
Answer: d
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}