Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any additional words.
Options:
a) Cn1c(=O)on(-c2ccc(Cl)c(Cl)c2)c1=O
b) c1ccc(-c2ccc(CCOc3ncnc4ccccc34)cc2)cc1
c) CN(C)P(=O)(N(C)C)N(C)C
d) COCCCO
e) CCCCOC(C)=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}