Task: Answer the multiple choice question.
Query: Which compound exhibits a -73.574% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. OC1(c2cccs2)CN(c2ccc(Cl)cc2)C2=[N+]1CCCS2.[Br-]
b. Cc1ccc(NC(=O)CN(C)C(=O)C2COc3ccccc3O2)cc1
c. CC(Oc1ccc(Cl)cc1Cl)C(=O)N/N=C1\CCCc2ccccc21
d. COc1cccc(N2CCN(Cc3nc(N)nc(Nc4ccccc4OC)n3)CC2)c1
Answer: a. OC1(c2cccs2)CN(c2ccc(Cl)cc2)C2=[N+]1CCCS2.[Br-]
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
OC1(c2cccs2)CN(c2ccc(Cl)cc2)C2=[N+]1CCCS2.[Br-]
OC1(c2cccs2)CN(c2ccc(Cl)cc2)C2=[N+]1CCCS2.[Br-]
1-(4-chlorophenyl)-3-thiophen-2-yl-2,5,6,7-tetrahydroimidazo[2,1-b][1,3]thiazin-4-ium-3-ol;bromide