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 additional words.
Options:
a. CSc1ccc2c(c1)N(CCCN(C)C)c1ccccc1S2
b. CCN(CC)C(=O)C(C)Oc1cccc2ccccc12
c. Nc1cc(N)cc(C(F)(F)F)c1
d. O=S(=O)(Cl)c1ccccc1
e. CC(N)c1ccccc1
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}