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 not sure, you must pick either a, b, c, or d without using any additional words.
Options:
a) CCC(CC)COC(C(=O)OCCN(C)C)(c1ccccc1)c1ccccc1
b) COc1ccc(CCNCC(O)COc2cccc(C)c2)cc1OC
c) COc1ccc([C@@H]2Sc3ccccc3N(CCN(C)C)C(=O)[C@@H]2OC(C)=O)cc1
d) C=C(C)O[C@@]12CO[C@@H]1C[C@@H]1C[C@@]13C(=O)[C@H](OC(C)=O)C1=C(C)[C@@H](OC(=O)[C@H](O)[C@@H](NC(=O)OC(C)(C)C)c4ccccc4)C[C@@](O)([C@H](OC(=O)c4ccccc4)[C@H]23)C1(C)C
Answer: c
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}
[(2S,3S)-5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3-dihydro-1,5-benzothiazepin-3-yl] acetate