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 not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a. CCCc1nc(C)c2c(=O)nc(-c3cc(S(=O)(=O)N4CCN(CC)CC4)ccc3OCC)[nH]n12
b. COc1ccc2cc1Oc1cc3c(cc1OC)CC[N+](C)(C)[C@H]3Cc1ccc(cc1)Oc1c(OC)c(OC)cc3c1[C@@H](C2)[N+](C)(C)CC3.[I-].[I-]
c. Cc1ccc(O)c([C@H](CCN(C(C)C)C(C)C)c2ccccc2)c1
d. CCN1C[C@H]2CN(C)C[C@H](C1)C2OC(=O)c1ccc(Cl)cc1
e. Cc1nnc2n1-c1sc(Br)cc1C(c1ccccc1Cl)=NC2
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}
2-[2-ethoxy-5-(4-ethylpiperazin-1-yl)sulfonyl-phenyl]-5-methyl-7-propyl-1H-imidazo[5,1-f][1,2,4]triazin-4-one