Task: Please answer the multiple choice question.
Question: Which molecule has the longest drug half life time 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)N(CCC(C(N)=O)(c1ccccc1)c1ccccn1)C(C)C
[b] O=P(O)(O)C(O)(Cn1ccnc1)P(=O)(O)O
[c] O=C(c1ccc(F)cc1)C1CCN(CCn2c(=O)[nH]c3ccccc3c2=O)CC1
[d] CN1C(=O)CN=C(c2ccccc2F)c2cc([N+](=O)[O-])ccc21
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}
(1-hydroxy-1-phosphono-2-imidazol-1-ylethyl)phosphonicacid