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, c, d, or e without using any other words.
Options:
[a] CN(C)CCOC(c1ccccc1)c1ccccc1
[b] CCC(=O)C(CC(C)N(C)C)(c1ccccc1)c1ccccc1
[c] CN1C(=O)NC(=O)C(C)(C2=CCCCC2)C1=O
[d] O=[N+]([O-])O[C@H]1CO[C@H]2[C@@H]1OC[C@H]2O[N+](=O)[O-]
[e] Cc1ccsc1C(=CCCN1CCC[C@@H](C(=O)O)C1)c1sccc1C
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}
6-(dimethylamino)-4,4-diphenylheptan-3-one