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(Cl)cc1Cl
[b] CCCOC(=O)COc1cccc(C(C)(C)C)c1
[c] CCC(C)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1OC(C)=O
[d] COC1CC2CC1C1CC(C=O)CC21
[e] CCCOP(=S)(OCC)Oc1cnn(C)c(=O)c1OC
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}