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] CCCS
[b] CNC(=O)Oc1ccccc1C1OCCS1
[c] NCCOS(N)(=O)=O
[d] CCC(C)NC(=S)C(=S)NC(C)CC
[e] S=P(OCCCl)(OCCCl)OCCCl
Answer: e
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}