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: CCN1CC2CN(C)CC(C1)C2OC(=O)c1ccc(Cl)cc1
b: OC(c1ccccc1)c1ccccc1
c: COc1ccc(OC)c(NC(=O)CNC(=O)Cc2ccc(C(=O)c3ccc(C)cc3)n2C)c1
d: O=C(NC(CCc1ccc2c(c1)OCO2)CCc1ccc2c(c1)OCO2)c1ccc(Cl)cc1
e: CCN1C(=O)C=CC1=O
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}