Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: CCC1OP(=S)(Cl)OC2CCCCC12
b: Nc1ccc(O)c2c1C(=O)c1c(N)c(Br)cc(O)c1C2=O
c: O=C(Oc1ccccc1)c1ccccc1O
d: COP(=S)(OC)SCSCC=C(Cl)Cl
e: CCC(C)(CC)c1cc(N)on1
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}