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, b, c, d, or e without using any additional words.
Options:
(a) CC[C@@H](CO)NCCN[C@@H](CC)CO
(b) OCCN1C[C@H](O)[C@@H](O)[C@H](O)[C@H]1CO
(c) O=C([O-])[O-].[Li+].[Li+]
(d) OC(CCN1CCCC1)(c1ccccc1)C1CCCCC1
(e) Nc1nc(O)c2ncn(COCCO)c2n1
Answer: e
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}
2-azanyl-9-(2-hydroxyethyloxymethyl)purin-6-ol