Problem statement: Answer the multiple-choice question.
Question: Which compound has a 21.010\% 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] Cc1ccc(S(=O)(=O)N/N=C\c2ccc(Cl)c([N+](=O)[O-])c2)cc1
[b] COc1cccc(OC)c1C(=O)Nc1cccc(NC(=O)c2cccs2)c1
Answer: a. Cc1ccc(S(=O)(=O)N/N=C\c2ccc(Cl)c([N+](=O)[O-])c2)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#}
Cc1ccc(S(=O)(=O)N/N=C\c2ccc(Cl)c([N+](=O)[O-])c2)cc1
Cc1ccc(S(=O)(=O)N/N=C\c2ccc(Cl)c([N+](=O)[O-])c2)cc1
N-[(Z)-(4-chloro-3-nitrophenyl)methylideneamino]-4-methylbenzenesulfonamide