Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] CN1C(=O)CN=C(c2ccccc2F)c2cc(Cl)ccc21
[b] CC(=O)c1ccccn1
[c] CON1CCC(=Cc2cc(C(C)(C)C)c(O)c(C(C)(C)C)c2)C1=O
[d] C=CC(=C)Cl
[e] CCCC(=O)OCC=C(C)CCC=C(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}