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, c, or d without using any additional words.
Options:
a COc1cc2c(cc1OC)CN(c1cc(N)c3cc(OC)c(OC)cc3n1)CC2
b COc1ccc2[nH]c([S+]([O-])Cc3ncc(C)c(OC)c3C)nc2c1
c CCCC(C)C1(CC)C(=O)NC(=O)NC1=O
d S=P(N1CC1)(N1CC1)N1CC1
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}
(5-methoxy-1H-benzimidazol-2-yl)-[(4-methoxy-3,5-dimethyl-pyridin-2-yl)methyl]-oxidanidyl-sulfanium