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, c, or d without using any other words.
Options:
(a) Fc1ccc([C@@H]2CCNC[C@H]2COc2ccc3c(c2)OCO3)cc1
(b) CC(=O)Nc1c(I)c(NC(C)=O)c(I)c(C(=O)O)c1I
(c) CC(C)NCC(O)c1ccc(O)c(O)c1
(d) COc1cc(CC(=O)NCC(=O)N(CCC(=O)O)Cc2ccc(CO)c(CO)c2)ccc1NC(=O)Nc1ccccc1C
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}