Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 6.545\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) COc1ccc(C2(c3ccc(OC)cc3)NC(=O)N(CC(=O)Nc3ccc(OC(F)F)cc3)C2=O)cc1
b.) CCOc1ccccc1OCCCC(=O)Nc1nc2ccccc2[nH]1
c.) CCOc1nc2cnccc2n(CC(=O)Nc2cccc(C)c2)c1=O
d.) COc1cccc(Sc2ccccc2CN(C)C)c1.Cl
Answer: b. CCOc1ccccc1OCCCC(=O)Nc1nc2ccccc2[nH]1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCOc1ccccc1OCCCC(=O)Nc1nc2ccccc2[nH]1
CCOc1ccccc1OCCCC(=O)Nc1nc2ccccc2[nH]1
N-(1H-benzimidazol-2-yl)-4-(2-ethoxyphenoxy)butanamide