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 other words.
Options:
(a) CC(C)NCC(O)COc1cccc2[nH]ccc12
(b) O=c1n(CCCN2CCN(c3cccc(Cl)c3)CC2)nc2ccccn12
(c) COc1ccc(Cl)cc1[C@]1(F)C(=O)Nc2cc(C(F)(F)F)ccc21
(d) CNC(=C[N+](=O)[O-])NCCSCc1ccc(CN(C)C)o1
(e) CCCCN1CCCCC1C(=O)Nc1c(C)cccc1C
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}
1-butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide