Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, or c without using any additional words.
Options:
a CCN(CC)c1nc(NC(C)C)nc(OC)n1
b CC(=CC(=O)OCCCCCCCCC(=O)O)CC1OCC(CC2OC2C(C)C(C)O)C(O)C1O
c CCNc1nc(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}