Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, or d without using any other words.
Options:
a) COP(=O)(OC)C(OC(C)=O)=C(Cl)Cl
b) CC(C)OP(=S)(OC(C)C)SCSC(C)C
c) CCOP(=S)(OCC)SC(CC(=O)OCSC)C(=O)OCSC
d) C#CC1(O)CCCCC1
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}