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 uncertain, you must pick either a, b, c, or d without using any other words.
Options:
a CC(C)n1c(/C=C/C(O)CC(O)CC(=O)O)c(-c2ccc(F)cc2)c2ccccc21
b Nc1n[n+]([O-])c2ccccc2[n+]1[O-]
c O=C(O)C1N=C(c2ccccc2)c2cc(Cl)ccc2NC1=O
d CS(=O)(=O)OCCCCOS(C)(=O)=O
Answer: d
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}
4-methylsulfonyloxybutyl methanesulfonate