Task: Answer the multiple-choice question.
Query: Which compound has a 12.629\% 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, b, c, or d without using any additional words.
Options:
[a] CC(=O)c1nn(-c2cccc(Br)c2)cc1C(=O)c1ccco1
[b] CC(OC(=O)c1cc[n+]([O-])cc1)C(=O)Nc1ccc(Cl)cn1
[c] O=C(CCc1ccccc1)NNC(=O)c1ccccc1Cl
[d] COc1ccc(C(C)(C)C)cc1NC(=O)COC(=O)C1=NNC(=O)CC1
Answer: b. CC(OC(=O)c1cc[n+]([O-])cc1)C(=O)Nc1ccc(Cl)cn1
{#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#}
CC(OC(=O)c1cc[n+]([O-])cc1)C(=O)Nc1ccc(Cl)cn1
CC(OC(=O)c1cc[n+]([O-])cc1)C(=O)Nc1ccc(Cl)cn1
[1-[(5-chloropyridin-2-yl)amino]-1-oxopropan-2-yl] 1-oxidopyridin-1-ium-4-carboxylate