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, c, or d without using any other words.
Options:
a: NCCCC[C@H](NC(=O)[C@@H](Cc1cc(Br)c(O)c(Br)c1)NC(=O)N1CCC(N2Cc3ccccc3NC2=O)CC1)C(=O)N1CCN(c2ccncc2)CC1
b: O=P(O)(O)C(O)(Cn1ccnc1)P(=O)(O)O
c: CCCc1nn(C)c2c(=O)[nH]c(-c3cc(S(=O)(=O)N4CCN(C)CC4)ccc3OCC)nc12
d: O=C(NCCN1CCOCC1)c1ccc(Cl)cc1
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}
N-[(2R)-1-[[(2S)-6-amino-1-oxo-1-(4-pyridin-4-ylpiperazin-1-yl)hexan-2-yl]amino]-3-(3,5-dibromo-4-hydroxyphenyl)-1-oxopropan-2-yl]-4-(2-oxo-1,4-dihydroquinazolin-3-yl)piperidine-1-carboxamide