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.) C=CCONC(CCC)=C1C(=O)CC(C)(C)C(C(=O)OC)C1=O
b.) COP(=S)(OC)OC1C2(C)CCC(C2)C1(C)C
c.) CCCCC(CC)CN(CCO)CC(CC)CCCC
d.) C=CC(=O)OCCOCCCC
e.) CCOS(=O)(=O)OCC
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}