Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] COCc1ccccc1
[b] CNC(=O)Oc1cccc(C)c1
[c] CCOP(=O)(Oc1ccc([N+](=O)[O-])cc1)SCC
[d] CSc1c(C)cc(OC(=O)N(C)C(C)=O)cc1C
[e] COS(=O)(=O)c1ccc(C)cc1
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}