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, or c without using any additional words.
Options:
a: CN(C)CCNc1ccc2c3c(nn2CCNCCO)-c2cnccc2C(=O)c13
b: CC(=O)Nc1c(I)c(C(=O)O)c(I)c(N(C)C(C)=O)c1I
c: CC(=O)Nc1ccc(O)cc1
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}