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 not sure, you must pick either a, b, or c without using any additional words.
Options:
a CNC1=Nc2ccc(Cl)cc2C(c2ccccc2)=[N+]([O-])C1
b Cn1cc[nH]c1=S
c CNC1=Nc2ccc(Cl)cc2C(c2ccccc2)=[N+]([O-])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}
7-chloro-N-methyl-4-oxido-5-phenyl-3H-1,4-benzodiazepin-4-ium-2-amine