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.) CCC(=O)OC(C)c1ccccc1
b.) COP(=S)(OC)SCSc1cccc(Cl)c1Cl
c.) COP(=S)(OC)Oc1ccc(C#N)cc1
d.) O=C(Nc1cccc(Cl)c1)OCC#CCCl
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}