Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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: O=[N+]([O-])c1cc(I)c(O)c(I)c1
b: O=C(Cl)OCc1ccccc1
c: Cc1cccc(C)c1CCNC(N)=O
d: COP(=S)(OC)Oc1cc(C)c(SC)c(C)c1
e: Cc1ccc(CO)cc1
Answer: c
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}