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, d, or e without using any other words.
Options:
[a] COP(=O)(OC)OC1=C(Cl)C2C=CCC12
[b] N#CC(N=Nc1ccc(C(F)(F)F)cc1)=NNc1ccc(C(F)(F)F)cc1
[c] CCOP(=O)(OCC)SC=C(Cl)Cl
[d] c1ccc(C2CO2)cc1
[e] OC1CCc2ccccc21
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}