Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a) CN(C)CCCn1c2c(c3ccccc31)CCCCCC2
b) CC(C(=O)O)c1ccc2c(c1)OCc1ccccc1C2=O
c) CCCC1=NN(c2ccccc2)C(=O)C1C=O
d) COCCCNc1nc(NC(C)C)nc(SC)n1
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}