Problem statement: Answer the multiple-choice question.
Question: Which compound has a 7.704\% 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 additional words.
Options:
[a] O=C(N/C(=C\c1cccc([N+](=O)[O-])c1)C(=O)N1CCOCC1)c1ccco1
[b] O=C(Nc1ccc(Br)cc1)c1ccccc1CC[N+](=O)[O-]
[c] O=C(NC1CC2CCCC(C1)N2CC(=O)N1CCCc2ccccc21)C1CCCCC1
[d] COc1ccc(C(F)(F)F)cc1N/C=C/c1nnnn1-c1ccc2ccccc2c1
Answer: b. O=C(Nc1ccc(Br)cc1)c1ccccc1CC[N+](=O)[O-]
{#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(Nc1ccc(Br)cc1)c1ccccc1CC[N+](=O)[O-]
O=C(Nc1ccc(Br)cc1)c1ccccc1CC[N+](=O)[O-]
2-[2-[(4-bromophenyl)carbamoyl]phenyl]ethyl-oxido-oxoazanium