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 not sure, you must pick either a, b, or c without using any additional words.
Options:
a CCCCCCCCCCNCCN[C@@]1(C)C[C@H](O[C@H]2[C@H](Oc3c4cc5cc3Oc3ccc(cc3Cl)[C@@H](O)[C@@H](NC(=O)[C@@H](CC(C)C)NC)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@H]5C(=O)N[C@H]3C(=O)N[C@H](C(=O)N[C@H](C(=O)O)c5cc(O)c(CNCP(=O)(O)O)c(O)c5-c5cc3ccc5O)[C@H](O)c3ccc(c(Cl)c3)O4)O[C@H](CO)[C@@H](O)[C@@H]2O)O[C@@H](C)[C@H]1O
b NC(=O)C(c1ccccc1)(c1ccccc1)[C@@H]1CCN(CCc2ccc3c(c2)CCO3)C1
c O=C1Nc2ccc(Cl)cc2C(c2ccccc2Cl)=NC1O
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}
2-[(3S)-1-[2-(2,3-dihydro-1-benzofuran-5-yl)ethyl]pyrrolidin-3-yl]-2,2-diphenylacetamide