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) COc1cc2nc(N3CCN(C(=O)c4ccco4)CC3)nc(N)c2cc1OC
(b) CC1CCCC(C)N1CCCC(O)(c1ccccc1)c1ccccn1
(c) CNC(=C[N+](=O)[O-])NCCSCc1csc(CN(C)C)n1
(d) Nc1ccc(S(=O)(=O)c2ccc(N)cc2)cc1
(e) Nc1ncnc2c1ncn2CCOCP(=O)(O)O
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}
9-[2-(phosphonomethoxy)ethyl]purin-6-amine