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 additional words.
Options:
a Cc1[nH]c(=O)c(C#N)cc1-c1ccncc1
b CN1CCN(CCCCN2C(=O)CN(/N=C/c3ccc(-c4ccc(Cl)cc4)o3)C2=O)CC1
c CCCC(=O)OCOC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1c1cccc(Cl)c1Cl
d CC(=O)O[C@H]1C[C@]2(C)CC[C@H]3[C@@H]4C[C@H](N5CC[N+](C)(C)CC5)[C@H](OC(C)=O)[C@@]4(C)CC[C@@H]3[C@@]2(C)C[C@@H]1N1CC[N+](C)(C)CC1.[Br-].[Br-]
e CCN1CCC[C@H]1CNC(=O)c1c(OC)ccc(Br)c1OC
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}
1-[(E)-[5-(4-chlorophenyl)furan-2-yl]methylideneamino]-3-[4-(4-methylpiperazin-1-yl)butyl]imidazolidine-2,4-dione