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 or b without using any other words.
Options:
[a] COc1cc([C@@H]2c3cc4c(cc3C(OC3OC5COC(C)OC5C(O)C3N)C3COC(=O)[C@@H]32)OCO4)cc(OC)c1O
[b] NCCCNc1ccc2c(CNCCO)nn3c4c(O)ccc(O)c4c(=O)c1c23
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}
10-(3-azanylpropylamino)-14-[(2-hydroxyethylamino)methyl]-3,6-bis(oxidanyl)-1,15-diazatetracyclo[7.6.1.02,7.013,16]hexadeca-2,4,6,9,11,13(16),14-heptaen-8-one