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] C1=CC2C3C=CC(C3)C2C1
[b] CC(C)(OO)c1ccccc1
[c] CC(C)C1CCC2CC(O)CCC2C1
[d] CC(C(=O)O)c1ccc(Oc2nccs2)cc1
[e] CON(C)C(=O)Nc1ccc(Cl)cc1
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}