Task: Answer the MCQ question.
Query: Which drug exhibits a 1.399\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) COc1cccc(NC(=O)CN(C)C(=O)CN2C(=O)NC(C)(c3ccc4ccccc4c3)C2=O)c1
(b) CCOc1ccc(C(=O)Nc2ccc(N3CCN(C)CC3)cc2)cc1Br
(c) CCOC(CNC(=O)CN1C(=O)COc2ccc(S(=O)(=O)N3CC(C)CC(C)C3)cc21)OCC
Answer: b. CCOc1ccc(C(=O)Nc2ccc(N3CCN(C)CC3)cc2)cc1Br
{#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#}
CCOc1ccc(C(=O)Nc2ccc(N3CCN(C)CC3)cc2)cc1Br
CCOc1ccc(C(=O)Nc2ccc(N3CCN(C)CC3)cc2)cc1Br
3-bromo-4-ethoxy-N-[4-(4-methylpiperazin-1-yl)phenyl]benzamide