Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a) CC(=O)c1ccccn1
b) CC(=O)Nc1cccc(N=Nc2ccc(N(C)C)cc2)c1
c) O=NN1CN(N=O)CN(N=O)C1
d) CCO[Si](C)(C)CCl
e) CN(N=O)c1cccnc1
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}