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 CCc1cccc2cc(C(O)CNC(C)(C)C)oc12
b Cc1cccc(C)c1NC(=O)C1CCCCN1C
c Cc1noc(NS(=O)(=O)c2ccc(N)cc2)c1C
d CCCC(=O)OCOC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1c1cccc(Cl)c1Cl
e CN1CCC[C@H]1c1cccnc1
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-(tert-butylamino)-1-(7-ethyl-1-benzofuran-2-yl)ethanol