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 additional words.
Options:
a. C=CCN(C1=NCCN1)c1c(Cl)cccc1Cl
b. CCOC(=O)c1c(C)cc2c(CO)n[nH]c(=O)c2c1C
c. Cc1ccccc1-n1c(CF)nc2ccc(N)cc2c1=O
Answer: b
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}