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, or d without using any other words.
Options:
a.) C#CCN(C)[C@H](C)Cc1ccccc1
b.) CC(Cc1ccc(O)cc1)NCC(O)c1cc(O)cc(O)c1
c.) CC(C)NCC(O)COc1ccc(CC(N)=O)cc1
d.) CCN(CC)CCNC(=O)c1ccc(N)cc1
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}