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 other words.
Options:
a C=C(C)CNc1ccc(C(C)C(=O)O)cc1
b CCOP(=S)(OCC)Oc1ccc(Cl)c([N+](=O)[O-])c1
c COCC(=O)N(c1c(C)cccc1C)C(C)C(=O)OC
d O=C(CF)NNc1ccccc1
e CC(C)(O)CCc1ccccc1
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}