Task: Answer the multiple-choice question.
Query: Which compound exhibits a 6.591\% 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) Cc1cc(Br)ccc1NC(=O)CNC(=O)c1ccc(-n2cncn2)c([N+](=O)[O-])c1
(b) CC(O)CNc1ccc(-c2n[nH]c(=O)c3ccccc23)cc1[N+](=O)[O-]
Answer: b. CC(O)CNc1ccc(-c2n[nH]c(=O)c3ccccc23)cc1[N+](=O)[O-]
{#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(O)CNc1ccc(-c2n[nH]c(=O)c3ccccc23)cc1[N+](=O)[O-]
CC(O)CNc1ccc(-c2n[nH]c(=O)c3ccccc23)cc1[N+](=O)[O-]
4-[4-(2-hydroxypropylamino)-3-nitrophenyl]-2H-phthalazin-1-one