Task: Answer the multiple choice question.
Query: Which compound exhibits a 12.989\% 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 additional words.
Options:
(a) Nc1c(C(=O)NCCc2ccccc2)nnn1Cc1ccc(Br)cc1F
(b) CCOC(=O)N1CCN(C(=O)c2cn(CC)c3ccc(S(=O)(=O)N4CCCCC4)cc3c2=O)CC1
(c) O=C(Nc1ccc2c(c1)CCC2)C1COc2ccccc2O1
(d) CCc1nc2ccc(C(=O)N3CCN(c4cccc(C)c4C)CC3)cc2nc1CC
Answer: d. CCc1nc2ccc(C(=O)N3CCN(c4cccc(C)c4C)CC3)cc2nc1CC
{#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#}
CCc1nc2ccc(C(=O)N3CCN(c4cccc(C)c4C)CC3)cc2nc1CC
CCc1nc2ccc(C(=O)N3CCN(c4cccc(C)c4C)CC3)cc2nc1CC
(2,3-diethylquinoxalin-6-yl)-[4-(2,3-dimethylphenyl)piperazin-1-yl]methanone