Task: Please answer the multiple choice question.
Question: Which molecule has the longest half life in humans after IV administration?
Constraint: Even if you are uncertain, you must pick either a, b, or c without using any other words.
Options:
a: CN(CCOc1ccc(CC2SC(=O)NC2=O)cc1)c1ccccn1
b: CC(=O)CC(c1ccccc1)c1c(O)c2ccccc2oc1=O
c: Cc1[nH]cnc1CN1CCc2c(c3ccccc3n2C)C1=O
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}
4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one