Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a) CON=C(C)C(=NOC(=O)N(C)SN(C)C(=O)Oc1cccc2ccccc12)C(=O)N(C)C
b) CCC(OC(N)=O)c1ccccc1Cl
c) Cc1cc(C)cc(N)c1
d) NC(=S)Nc1ccc(Cl)cc1
e) COC(=O)C(Cl)Cc1ccc(Cl)cc1
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}