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 additional words.
Options:
a. C=C1CC(=CC)C(=O)OC2CCN3CC=C(COC(=O)C1(C)O)C23
b. CCON=C(OC(=O)c1ccccc1)c1c(OC)ccc(Cl)c1OC
c. C1C2CC3OC3C2CC2OC12
d. CCc1cc2c(cc1C=O)C(C)(C)CCC2(C)C
e. CC(=O)C1(O)CCC(c2ccccc2)CC1
Answer: e
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}