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: COc1ccc(C2OCOCC2C)cc1
b: C=CCOc1nc(OCC=C)nc(OCC=C)n1
c: CCOC(=O)c1ncn2c1CN(C)C(=O)c1cc(F)ccc1-2
d: O=C(Nc1ccc(Cl)c(Cl)c1)c1cc(Cl)cc(Cl)c1O
e: CCCn1c(=O)c2[nH]c(C)nc2n(CC(C)C)c1=O
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}