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.) CCCCCCCCCCCCCCCCCC1=NCCN1CCO
b.) S=c1[nH]c2ccccc2[nH]1
c.) C=CCOc1nc(OCC=C)nc(OCC=C)n1
d.) CC(C)=CC1C(C(=O)OCc2ccc(C)cc2C)C1(C)C
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}