Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any other words.
Options:
a CCOc1ccc(-n2c(C)nc3ccccc3c2=O)cc1
b CCC(CO)NC(=O)C1C=C2c3cccc4[nH]cc(c34)CC2N(C)C1
c Cc1ccc(O)c(C2CCCCC2)c1
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}