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, or c without using any additional words.
Options:
a. CCN(CC)C(=O)N1CCN(CC(=O)NN=Cc2ccc([N+](=O)[O-])o2)CC1
b. Fc1cc2nc(C(F)(F)F)[nH]c2cc1Cl
c. COc1cc2c(cc1OC)C(CCc1ccc(Cl)cc1)N(C)CC2
Answer: c
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}