Task: Answer the MCQ question.
Query: Which drug exhibits a 4.940\% 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] Cc1c(Cl)cccc1NC(=S)N1CCCN(Cc2ccccc2F)C1
[b] Cc1cccc(NC(=O)CSc2nc(C3CC3)nc3ccccc23)c1
[c] CCOC(=O)[C@@H]1[C@H]2COc3ccc(Br)cc3[C@H]2N2C(=O)N(c3ccc(C)cc3)C(=O)[C@]12C
[d] [O-][N+]12CCCCC1CCCC2CO
Answer: c. CCOC(=O)[C@@H]1[C@H]2COc3ccc(Br)cc3[C@H]2N2C(=O)N(c3ccc(C)cc3)C(=O)[C@]12C
{#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#}
CCOC(=O)[C@@H]1[C@H]2COc3ccc(Br)cc3[C@H]2N2C(=O)N(c3ccc(C)cc3)C(=O)[C@]12C
CCOC(=O)[C@@H]1[C@H]2COc3ccc(Br)cc3[C@H]2N2C(=O)N(c3ccc(C)cc3)C(=O)[C@]12C
ethyl(1S,10R,11R,12S)-4-bromo-12-methyl-14-(4-methylphenyl)-13,15-dioxo-8-oxa-14,16-diazatetracyclo[8.6.0.02,7.012,16]hexadeca-2(7),3,5-triene-11-carboxylate