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, or c without using any other words.
Options:
[a] CCOC(=O)c1ncn2c1CN(C)C(=O)c1cc(F)ccc1-2
[b] CCCC1=NN(c2ccccc2)C(=O)C1C=O
[c] CCCCOC(=O)C1CCC(C(=O)OCCCC)C1
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}