Task: Answer the MCQ question.
Question: Which compound has a 4.977\% 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, or c without using any other words.
Options:
a. COc1ccccc1OCCNC(=O)c1cc(SC)ccc1Cl
b. O=S(=O)(Nc1ccccn1)c1ccc(Br)cc1
c. CC(=O)c1ccc(NC(=O)COC(=O)c2nc(Cl)ccc2Cl)cc1
Answer: b. O=S(=O)(Nc1ccccn1)c1ccc(Br)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#}
O=S(=O)(Nc1ccccn1)c1ccc(Br)cc1
O=S(=O)(Nc1ccccn1)c1ccc(Br)cc1
4-bromo-N-pyridin-2-ylbenzenesulfonamide