Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any other words.
Options:
a.) O=C1CCc2cc(C=CCN3CCN(c4ccc(Cl)cc4)CC3)ccc2N1
b.) C=Cc1ccccn1
c.) CC(C(=O)OCCOCCO)c1ccc2c(c1)C(=O)Cc1ccccc1O2
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}