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 uncertain, you must pick either a, b, or c without using any additional words.
Options:
a.) CCC(CC)COC(C(=O)OCCN(C)C)(c1ccccc1)c1ccccc1
b.) CN(C)CCOC(c1ccccc1)c1ccccc1
c.) COc1cc(CC2c3c(cc(OC)c(OC)c3OC)CC[N+]2(C)CCCOC(=O)CCC(=O)OCCC[N+]2(C)CCc3cc(OC)c(OC)c(OC)c3C2Cc2cc(OC)c(OC)c(OC)c2)cc(OC)c1OC
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}
2-(dimethylamino)ethyl 2-(2-ethylbutoxy)-2,2-diphenylacetate