Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a.) C1CN1P1(N2CC2)=NP(N2CC2)(N2CC2)=NP(N2CC2)(N2CC2)=N1
b.) CNCCC=C1c2ccccc2CCc2ccccc21
c.) C=CCN
d.) O=CN1CCOCC1
e.) CN(C)C(=N)NC#N
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}