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 other words.
Options:
(a) CN1c2ccccc2Sc2ccc(CC(=O)O)cc21
(b) CCOc1ccc(C(CN(C)C)C(C)CC)cc1Cl
(c) CCCCCCCCCCCOC(=O)Cc1ccc(N(CCCl)CCCl)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}