Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, or d without using any other words.
Options:
a CCCC1OP(=O)(Cl)OCC1CC
b NC12CC3CC(CC(C3)C1)C2
c CC(C1CC1)C(O)(Cn1cncn1)c1ccc(Cl)cc1
d COc1cc(C=CC(=S)N2CCOCC2)cc(OC)c1OC
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}