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 uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a CC1(C)S[C@@H]2[C@H](NC(=O)C(c3ccccc3)S(=O)(=O)O)C(=O)N2[C@H]1C(=O)O
b CN1CC[C@]23c4c5ccc(O)c4O[C@H]2C(=O)CC[C@H]3[C@H]1C5
c CC[C@@H](CO)NCCN[C@@H](CC)CO
d Cc1cnc(NCCCN(C)C)c2c1[nH]c1ccc3cc(O)ccc3c12
e CCC(=O)C1(c2cccc(O)c2)CCN(C)CC1
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)-2-[2-[[(2S)-1-hydroxybutan-2-yl]amino]ethylamino]butan-1-ol