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 CNC1(c2ccccc2Cl)CCCCC1=O
b CC(C)NCC(O)c1ccc(O)c(O)c1
c CC(=O)Nc1c(I)c(NC(C)=O)c(I)c(C(=O)O)c1I
d COc1cc(NC(C)CCCN)c2ncccc2c1
e Cc1cccc(C)c1NC(=O)NCCCNC(C)C
Answer: b
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}