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, or c without using any other words.
Options:
(a) CNS(=O)(=O)Cc1ccc2[nH]cc(CCN(C)C)c2c1
(b) Cc1cccc(C)c1NC(=O)C1CCCCN1C
(c) CN1Cc2c(N)cccc2C(c2ccccc2)C1
Answer: c
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}
2-methyl-4-phenyl-3,4-dihydro-1H-isoquinolin-8-amine