Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a -12.243\% 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 other words.
Options:
a O=C(c1ccc([N+](=O)[O-])cc1)N1CCN(C2=NS(=O)(=O)c3ccccc32)CC1
b Cc1cc(C)c(NC(=O)CS(=O)CC(=O)N2CCN(c3cccc(C)c3C)CC2)c(C)c1
c COc1ccc(NC(=O)CCCNC(=O)Cn2cnc3sc4c(c3c2=O)CCCC4)cc1OC
d CC(=O)Cc1nsc(NC(=O)c2ccc(-c3ccc(Cl)cc3Cl)o2)n1
Answer: a. O=C(c1ccc([N+](=O)[O-])cc1)N1CCN(C2=NS(=O)(=O)c3ccccc32)CC1
{#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(c1ccc([N+](=O)[O-])cc1)N1CCN(C2=NS(=O)(=O)c3ccccc32)CC1
O=C(c1ccc([N+](=O)[O-])cc1)N1CCN(C2=NS(=O)(=O)c3ccccc32)CC1
[4-(1,1-dioxo-1,2-benzothiazol-3-yl)piperazin-1-yl]-(4-nitrophenyl)methanone