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) CC1(C)OC(=O)N(c2cc(Cl)cc(Cl)c2)C1=O
b) CCCCCCC1=CC(=O)CC(c2ccc3c(c2)OCO3)C1
c) Cc1cc(S(=O)(=O)c2ccccc2)ccc1NS(=O)(=O)C(F)(F)F
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}