Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) CC(Cl)=CC(=O)Nc1ccc(O)cc1
(b) O=C(c1ccc(O)cc1O)c1ccc(O)cc1O
(c) O=[N+]([O-])c1ccc(Oc2ccc(Cl)cc2Cl)cc1
(d) O=S(=O)(Cl)c1ccc(Cl)cc1
(e) CCN(CC)C(=O)C(C)Oc1cccc2ccccc12
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}