Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
a CC(C)(C)C(=O)C1C(=O)c2ccccc2C1=O
b CCCCC(CC)CNC1CCCCC1
c CC(=O)OC1=C(OC(C)=O)C(=O)OC1=O
d CNC(=O)ON=C(SC)C(=O)N(C)C
e O=C(O)C1=Cc2sc(Cn3ccnc3)cc2CC1
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}