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, or c without using any additional words.
Options:
a.) CCOP(=S)(OCC)Oc1cc(C)nc(C(C)C)n1
b.) CC(C)c1ccc2oc3nc(N)c(C(=O)O)cc3c(=O)c2c1
c.) CC(C)CCC(C)Nc1ccc(Nc2ccccc2)cc1
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}