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, or c without using any additional words.
Options:
a Nc1cccc(C(F)(F)F)c1
b Cc1c(C)c2c(c(C)c1OC(=O)C(C)(C)Oc1ccc(Cl)cc1)CCC(C)(CCCC(C)CCCC(C)CCCC(C)C)O2
c CC(=O)NC(=O)c1ccccc1O
Answer: a
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}