Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a CCN(CCO)c1cccc(C)c1
b CCOP(=O)(CC)Sc1ccc(Cl)cc1
c CCOP(=O)(OCC)SCSc1cc(Cl)ccc1Cl
d CCCOP(=S)(CCl)Sc1ccc(Cl)cc1
e CCCC(Cc1ccccc1)N1CCCC1
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}