Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a Cc1cccc(C#N)c1
b CCc1ccc(C)cc1O
c C=Cc1ccc(C)cc1
d CCOP(=O)(OCC)C(SCC)(Sc1ccccc1)P(=O)(OCC)OCC
e CCOP(=S)(NC(C)C)Oc1ccccc1C(=O)OC(C)C
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}