Task: Answer the MCQ question.
Query: Which compound exhibits a -11.479\% 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 COc1cc2c(cc1OC)C1(CCCC1)CNC2c1ccc([N+](=O)[O-])cc1.Cl
b CC(C)(C)OC(=O)[C@H](CCCC[NH3+])NC(=O)c1nc[nH]c1C(=O)NCCCCC[NH3+].[Cl-]
Answer: a. COc1cc2c(cc1OC)C1(CCCC1)CNC2c1ccc([N+](=O)[O-])cc1.Cl
{#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#}
COc1cc2c(cc1OC)C1(CCCC1)CNC2c1ccc([N+](=O)[O-])cc1.Cl
COc1cc2c(cc1OC)C1(CCCC1)CNC2c1ccc([N+](=O)[O-])cc1.Cl
6,7-dimethoxy-1-(4-nitrophenyl)spiro[2,3-dihydro-1H-isoquinoline-4,1'-cyclopentane];hydrochloride