Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a CCCCCCC(C)=O
b CCC(C)OCCO
c CN(CCO)c1ccc(N=Nc2c(Cl)cc([N+](=O)[O-])cc2Cl)cc1
d CCCCCCCCOC(C)=O
e Clc1cccc(Cl)c1N=C1NCCN1
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}