Task: Answer the MCQ question.
Query: Which compound has a 2.530\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a: O=C(CSc1nccc(-c2cccs2)n1)Nc1ccc(Cl)cc1
b: COc1ccccc1-n1cnc2cc(NS(=O)(=O)c3ccc(Br)cc3)ccc21
c: Cc1nn(-c2ccc(Cl)cc2)c2sc(C(=O)N3CCN(c4ccccn4)CC3)cc12
d: COC(=O)CN1C(=S)N(C)C(=O)/C1=C/c1cccs1
e: COc1nc(N)nc(N2CCOCC2)n1
Answer: b. COc1ccccc1-n1cnc2cc(NS(=O)(=O)c3ccc(Br)cc3)ccc21
{#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#}
COc1ccccc1-n1cnc2cc(NS(=O)(=O)c3ccc(Br)cc3)ccc21
COc1ccccc1-n1cnc2cc(NS(=O)(=O)c3ccc(Br)cc3)ccc21
4-bromo-N-[1-(6-methoxyphenyl)benzimidazol-5-yl]benzenesulfonamide