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) CC(=O)OCC(COC(C)=O)OC(C)=O
b) CCOP(=S)(OCC)Oc1ccc(=O)n(-c2ccccc2)n1
c) Cn1c(=O)on(-c2ccc(Cl)c(Cl)c2)c1=O
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}