Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any other words.
Options:
[a] COc1cc(C2c3cc4c(cc3C(OC3OC5COC(c6ccccc6)OC5C(O)C3O)C3COC(=O)C23)OCO4)cc(OC)c1OC
[b] CCC(C)Cl
[c] CCCN(CCO)CCO
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}