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 additional words.
Options:
(a) Cc1ccc(S(=O)(=O)N(C)N=O)cc1
(b) CCCCC(C=O)=Cc1ccccc1
(c) CCCCOc1ccccc1NC(C)=O
(d) Cc1ccc([N+](=O)[O-])cc1
(e) CCC(=O)OC(Cc1ccccc1)(c1ccccc1)C(C)CN(C)C
Answer: d
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}