Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: Nc1ccc(S(=O)(=O)O)c(N)c1
b: O=C(CF)Nc1ccccc1
c: COC(=O)COc1ccc2ccccc2c1
d: CNC(=O)N(C)c1nnc(C(C)(C)C)s1
e: Cc1ccc(O)cc1
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}