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, c, or d without using any additional words.
Options:
a.) CC(=O)Oc1ccccc1C(=O)O
b.) COc1ccc(C)cc1
c.) COc1ccc2c(c1)OC(C)(C)C(c1ccccc1)C2c1ccc(OCC2CO2)cc1
d.) COC(CN1CCN(CCC(O)c2ccccc2)CC1)c1ccccc1
Answer: a
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}