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] CCSP(=O)(Oc1cnn(C)c(=O)c1OC)OC(C)C
[b] CC(C)(C)c1ccc(CCC=O)cc1
[c] Nc1cc([N+](=O)[O-])ccc1O
[d] O=Cc1ccccc1
[e] O=c1[nH]c(=O)n(Cl)c(=O)n1Cl
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}