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 CCN(CC)CCCC(C)Nc1ccnc2cc(Cl)ccc12
b CCC(=O)O[C@](Cc1ccccc1)(c1ccccc1)[C@H](C)CN(C)C
c C[C@H]1c2cccc(O)c2C(=O)C2=C(O)[C@]3(O)C(=O)C(C(N)=O)=C(O)[C@@H](N(C)C)[C@@H]3[C@@H](O)[C@@H]21
d COc1cc(CC(=O)NCC(=O)N(CCC(=O)O)Cc2ccc(CO)c(CO)c2)ccc1NC(=O)Nc1ccccc1C
e C[C@H](N[C@@H](CCc1ccccc1)C(=O)O)C(=O)N1Cc2ccccc2C[C@H]1C(=O)O
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}