Task: Please answer the multiple choice question.
Question: Which molecule has the longest drug 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 other words.
Options:
(a) NCCC(O)(P(=O)(O)O)P(=O)(O)O
(b) CCCCCC/C=C\CCCCCCCCCC(=O)N[C@H]1[C@H](OC[C@H]2O[C@H](OP(=O)(O)O)[C@H](NC(=O)CC(=O)CCCCCCCCCCC)[C@@H](OCCCCCCCCCC)[C@@H]2O)O[C@H](COC)[C@@H](OP(=O)(O)O)[C@@H]1OCC[C@@H](CCCCCCC)OC
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}
[(2R,3R,4R,5S,6R)-4-decoxy-5-hydroxy-6-[[(2R,3R,4R,5S,6R)-4-[(3R)-3-methoxydecoxy]-6-(methoxymethyl)-3-[[(Z)-octadec-11-enoyl]amino]-5-phosphonooxyoxan-2-yl]oxymethyl]-3-(3-oxotetradecanoylamino)oxan-2-yl] dihydrogen phosphate