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 other words.
Options:
[a] CC(C)(C)c1cc(C(=O)O)cc(C(C)(C)C)c1O
[b] CN(C)N=Nc1ccc(C(N)=O)cc1
[c] Cc1cc([N+](=O)[O-])cc([N+](=O)[O-])c1
[d] CCOC(=S)C=Cc1ccc(OC)cc1
[e] CNC(=O)Oc1cc(C(C)C)cc(C(C)C)c1
Answer: b
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}