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 additional words.
Options:
a OC1CC2CC1C1CC=CC21
b OCC1CC2CCC1C2
c CCCCCCCCCCCC(=O)OCC(O)C1OCC(O)C1O
d CC(C)=CC1C(C(=O)O)C1(C)C
e COc1c(OP(=S)(Oc2cnn(C)c(=O)c2OC)OC(C)C)cnn(C)c1=O
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}