Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a) CN(CCCn1cnc2c1c(=O)n(C)c(=O)n2C)c1ccccc1
b) CCOC(=O)c1cnc2cc(OCC3CC3)c(OCC3CC3)cc2c1O
c) O=[N+]([O-])c1cc2c(ccc3ccccc32)o1
d) O=C(O)Cc1ccc2c(c1)C(=O)c1ccccc1CN2
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}