Task: Please answer the multiple choice question.
Question: Which molecule has the longest half life time in humans after IV administration?
Constraint: Even if you are not sure, you must pick either a or b without using any additional words.
Options:
a.) Cc1nnc2n1-c1ccc(Cl)cc1C(c1ccccc1)=NC2
b.) O=C1CN=C(c2ccccc2)c2cc([N+](=O)[O-])ccc2N1
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecule has the longest {half_life_duration__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%half_life_duration%}
Answer: {%multiple_choice_result}
oxido-oxo-(2-oxo-5-phenyl-1,3-dihydro-1,4-benzodiazepin-7-yl)azanium