Task: Answer the multiple-choice question.
Query: Which compound exhibits a 5.967\% 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 other words.
Options:
a. O=C(Nc1ccccc1N1CCOCC1)c1ccc(OCc2cscn2)cc1
b. Brc1cnc2nc(SC/C=C/c3ccccc3)[nH]c2c1
c. COc1ccc(S(=O)(=O)N(C)CC(=O)NC2CCCCC2)cc1OC
d. CC(=O)c1ccc(OCc2cc(C(=O)N(C)Cc3ncc(C)[nH]3)no2)cc1
Answer: b. Brc1cnc2nc(SC/C=C/c3ccccc3)[nH]c2c1
{#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#}
Brc1cnc2nc(SC/C=C/c3ccccc3)[nH]c2c1
Brc1cnc2nc(SC/C=C/c3ccccc3)[nH]c2c1
6-bromo-2-[(E)-3-phenylprop-2-enyl]sulfanyl-1H-imidazo[4,5-b]pyridine