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, c, d, or e without using any other words.
Options:
a.) CCOP(=S)(OCC)SCc1nnc(CC(C)C)o1
b.) Cc1ccc(OC(=O)c2ccccc2O)cc1
c.) CC=CC=CCOCCO
d.) O=NN1CCCCCCCC1
e.) Nc1nc2cc(Br)ccc2o1
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}