Task: Answer the multiple choice question.
Query: Which compound has a 5.778\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CCOC(=O)N1CCN(CCC(=O)Nc2ccc(OC)cc2)CC1
(b) CC(C)(C)C(=O)[C@H]1[C@H](c2ccco2)C2(C(=O)c3ccccc3C2=O)C2c3ccccc3C=NN21
Answer: a. CCOC(=O)N1CCN(CCC(=O)Nc2ccc(OC)cc2)CC1
{#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#}
CCOC(=O)N1CCN(CCC(=O)Nc2ccc(OC)cc2)CC1
CCOC(=O)N1CCN(CCC(=O)Nc2ccc(OC)cc2)CC1
[C][C][O][C][=Branch1][C][=O][N][C][C][N][Branch2][Ring1][Ring2][C][C][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][Ring1][O][C][C][=C][Ring1][Branch2][C][C][Ring2][Ring1][Ring1]
ethyl 4-[3-(4-methoxyanilino)-3-oxopropyl]piperazine-1-carboxylate