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] CCOCCC(=O)OCC
[b] O=C(O)CCC(=O)c1ccc2oc3ccccc3c2c1
[c] O=C1c2ccc3c4c(ccc(c24)C(=O)C1(Cl)Cl)CC3
[d] CN1CC(CCN2CC=C(c3ccccc3)CC2)OC1=O
[e] CN(C)CCCNCCCN(C)C
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}