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 additional words.
Options:
[a] CNC(=C[N+](=O)[O-])NCCSCc1ccc(CN(C)C)o1
[b] CN1CC[C@]23c4c5ccc(O)c4O[C@H]2[C@@H](O[C@@H]2O[C@H](C(=O)O)[C@@H](O)[C@H](O)[C@H]2O)C=C[C@H]3[C@H]1C5
[c] COc1ccccc1N1CCN(CCCNc2cc(=O)n(C)c(=O)n2C)CC1
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}
(2S,3S,4S,5R,6R)-6-[[(4R,4aR,7S,7aR,12bS)-9-hydroxy-3-methyl-2,4,4a,7,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl]oxy]-3,4,5-trihydroxyoxane-2-carboxylic acid