Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] O=C1C=C2C(=CCOC2O)O1
[b] CNC(=O)ON=C(C)SCC(=O)N(C)C
[c] CC1(C)CO1
[d] OCCN1CCOCC1
[e] CC1(C)CC(N)(O)CC(C)(CN)C1
Answer: d
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}