Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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: CCP(=S)(OCCCl)Oc1ccc(C#N)cc1
b: CCCC(Cc1ccccc1)N1CCCC1
c: CNC(=O)Oc1cccc2c(O)cccc12
d: CCCN(CCC)c1c([N+](=O)[O-])cc(C(C)=O)cc1[N+](=O)[O-]
e: CCOP(=S)(Oc1cnn(C)c(=O)c1Cl)OC(C)C
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}