Problem statement: Answer the MCQ question.
Query: Which compound has a 21.655\% 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) CC(C)CC(O)C1CCN(C(=O)CCc2nnc(-c3ccc4c(c3)OCO4)o2)CC1
(b) O=C(Nc1ccc(NC(=O)c2cccs2)cn1)c1ccco1
(c) O=C(NCc1ccccc1Cl)c1ccc(Br)o1
(d) CN(Cc1cccc(Cl)c1Cl)c1ccc(S(=O)(=O)N2CCCCC2)cc1[N+](=O)[O-]
(e) CCN(CC)CC(=O)N1N=C(c2cccs2)CC1c1ccco1
Answer: c. O=C(NCc1ccccc1Cl)c1ccc(Br)o1
{#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(NCc1ccccc1Cl)c1ccc(Br)o1
O=C(NCc1ccccc1Cl)c1ccc(Br)o1
5-bromo-N-[(2-chlorophenyl)methyl]furan-2-carboxamide