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, or c without using any other words.
Options:
[a] Nc1nc(O)c2ncn(COC(CO)CO)c2n1
[b] CC1(C)S[C@@H]2[C@H](NC(=O)C(c3ccccc3)S(=O)(=O)O)C(=O)N2[C@H]1C(=O)O
[c] COc1cc2c(cc1OC)CN(c1cc(N)c3cc(OC)c(OC)cc3n1)CC2
Answer: a
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}
2-[(2-azanyl-6-oxidanyl-purin-9-yl)methoxy]propane-1,3-diol