Task: Please answer the multiple choice question.
Question: Which molecule has the longest half life 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) O=C(NCCNCC(O)COc1ccc(O)cc1)N1CCOCC1
b) COc1nc(N)nc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](O)[C@@H]1O
c) O=C1c2cccc3c2[C@H](CCC3)CN1[C@@H]1CN2CCC1CC2
d) CCOc1ccc(/C=C2\NCCc3cc(OCC)c(OCC)cc32)cc1OCC
e) Clc1cccc(N2CCNCC2)c1
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}
N-[2-[[2-hydroxy-3-(4-hydroxyphenoxy)propyl]amino]ethyl]morpholine-4-carboxamide