Problem statement: Answer the multiple-choice question.
Question: Which compound has a -0.748\% 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] O=C(C1CC(=O)N(c2ccc(F)cc2)C1)N1CCN(c2ccccc2)CC1
[b] O=C(NNC(=O)c1ccccc1Br)c1ccc(SCC2CCCO2)c([N+](=O)[O-])c1
Answer: b. O=C(NNC(=O)c1ccccc1Br)c1ccc(SCC2CCCO2)c([N+](=O)[O-])c1
{#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=C(NNC(=O)c1ccccc1Br)c1ccc(SCC2CCCO2)c([N+](=O)[O-])c1
O=C(NNC(=O)c1ccccc1Br)c1ccc(SCC2CCCO2)c([N+](=O)[O-])c1
[5-[[(2-bromobenzoyl)amino]carbamoyl]-2-(oxolan-2-ylmethylsulfanyl)phenyl]-oxido-oxoazanium