Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any additional words.
Options:
[a] CCOC(=O)c1cnc2cc(OCC3CC3)c(OCC3CC3)cc2c1O
[b] CCOP(=S)(OCC)SC(c1ccccc1)c1ccc(Cl)cc1
[c] CCCCCCCCCCCCCCCCCC1=NCCN1CCO
Answer: c
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}