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 uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) CC1(C)S[C@@H]2[C@H](NC(=O)[C@H](N)c3ccccc3)C(=O)N2[C@H]1C(=O)O
(b) C[C@H](CCc1ccccc1)NC[C@H](O)c1ccc(O)c(C(N)=O)c1
(c) Nc1nc(=O)c2c([nH]1)NCC(CNc1ccc(C(=O)N[C@@H](CCC(=O)O)C(=O)O)cc1)N2C=O
(d) O=P1(N(CCCl)CCCl)NCCCO1
(e) CCc1cccc2cc(C(O)CNC(C)(C)C)oc12
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}
2-hydroxy-5-[(1R)-1-hydroxy-2-[[(2R)-4-phenylbutan-2-yl]amino]ethyl]benzamide