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, c, d, or e without using any other words.
Options:
a) NC(=O)c1ccc([N+](=O)[O-])cc1
b) Cc1cc(C)c(N)c(C)c1
c) OCCOc1cc(Cl)c(Cl)cc1Cl
d) CCOC(=O)c1ccc(N)cc1
e) O=C(O)CSc1cccc2cccc(CCl)c12
Answer: a
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}