Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a: OC1CCN(c2ccc(-c3ccc(Cl)cc3Cl)nn2)CC1
b: OCC(O)C1OC2OC(C(Cl)(Cl)Cl)OC2C1O
c: CCOC(=O)c1c[n+](CC)c2n(c1=O)C(C)CCC2
d: O=C(C=CC=Cc1ccc2c(c1)OCO2)N1CCCCC1
e: CC(C)(C)c1ccc(CSc2cnn(C(C)(C)C)c(=O)c2Cl)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}