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, d, or e without using any other words.
Options:
a.) CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
b.) CCCn1c(=O)[nH]c(=O)c2[nH]cnc21
c.) CN(C)C(=O)CCS[C@H](SCCC(=O)O)c1cccc(/C=C/c2ccc3ccc(Cl)cc3n2)c1
d.) CCCCc1nc(Cl)c(CO)n1Cc1ccc(-c2ccccc2-c2nnn[nH]2)cc1
e.) CN1C2CCCC1CC(NC(=O)c1nn(C)c3ccccc13)C2
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}
3,7-dimethyl-1-(5-oxohexyl)purine-2,6-dione