Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (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] CCCCCC(C)(O)CC
[b] CON(C)C(=O)CC(SP(=S)(OC)OC)C(=O)N(C)OC
[c] O=C1C(Cl)=C(Cl)C(Cl)(Cl)C1(Cl)Cl
[d] CC(C)COP(C)(=O)SCCN(C)C
[e] CC(C)=CC1C(C(=O)OCN2C(=O)C3=C(CCCC3)C2=O)C1(C)C
Answer: b
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}