Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -38.543\% human ether-à-go-go related gene (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] CCc1ccc(N2CC(O)(c3cccs3)[N+]3=C2SCCC3)cc1.[Br-]
[b] COc1ccc(N2CCN(c3ncnc4scc(-c5ccccc5)c34)CC2)cc1
[c] Cc1cccc2sc(NC(=O)C3=NN(c4ccccc4)C(=O)CC3)nc12
[d] CCOc1ccc(C(=O)Nc2ccc3c(c2)OCO3)cc1OCC
Answer: a. CCc1ccc(N2CC(O)(c3cccs3)[N+]3=C2SCCC3)cc1.[Br-]
{#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#}
CCc1ccc(N2CC(O)(c3cccs3)[N+]3=C2SCCC3)cc1.[Br-]
CCc1ccc(N2CC(O)(c3cccs3)[N+]3=C2SCCC3)cc1.[Br-]
1-(4-ethylphenyl)-3-thiophen-2-yl-2,5,6,7-tetrahydroimidazo[2,1-b][1,3]thiazin-4-ium-3-ol;bromide