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 or b without using any additional words.
Options:
a. C[C@@H](c1ncncc1F)[C@](O)(Cn1cncn1)c1ccc(F)cc1F
b. C[C@@](O)(/C=C/[C@@H]1CC=CC(=O)O1)[C@@H](C[C@@H](O)/C=C\C=C/C=C/CO)OP(=O)(O)O
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}
[(1E,3R,4R,6R,7Z,9Z,11E)-3,6,13-trihydroxy-3-methyl-1-[(2S)-6-oxo-2,3-dihydropyran-2-yl]trideca-1,7,9,11-tetraen-4-yl] dihydrogen phosphate