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 other words.
Options:
a CCN(CC)c1c([N+](=O)[O-])cc(C(F)(F)F)c(N)c1[N+](=O)[O-]
b CC(=O)OCc1ccccc1
c O=[N+]([O-])c1ccc(O)c([N+](=O)[O-])c1
d O=[N+]([O-])c1ccc(Oc2c(Cl)cc(Cl)cc2Cl)cc1
e CCC1NC(=O)C2C(Cl)C(Cl)CN2C(=O)C(CO)NC(=O)CC(c2ccccc2)NC(=O)C(CO)NC1=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}