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 CC(C)OC(=O)COc1cc(Cl)c(Cl)cc1Cl
b CCOP(=O)(OCC)C(SCC)(Sc1ccccc1)P(=O)(OCC)OCC
c CC(C=O)Cc1ccc(C(C)C)cc1
d O=[N+]([O-])c1ccc(C=Cc2cccc(CO)n2)o1
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}