Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a O=[N+]([O-])c1ccc(C=NO)cc1
b C=CCc1ccc(OP(=S)(OC)OC)c(OC)c1
c C=CCOC(=O)COc1ccccc1
d COP(=O)(OC)Oc1ccc(Cl)cc1Cl
e CCCCCCCCc1ccc(C)cc1O
Answer: e
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}