Task: Answer the multiple-choice question.
Query: Which drug exhibits a 19.769\% 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) Brc1ccc(-c2nc3ccccc3s2)s1
b) COc1ccc(CNC(=O)Cn2ncn3cccc3c2=O)cc1
c) COC(=O)C1=C(C(=O)OC)[C@@H]2Nc3ccccc3[C@@]23C[C@@H](C(=O)OC)N(C(=O)C2CCC2)C3=N1
d) Cc1[nH]nc(S(=O)CC(=O)O)c1[N+](=O)[O-]
Answer: d. Cc1[nH]nc(S(=O)CC(=O)O)c1[N+](=O)[O-]
{#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#}
Cc1[nH]nc(S(=O)CC(=O)O)c1[N+](=O)[O-]
Cc1[nH]nc(S(=O)CC(=O)O)c1[N+](=O)[O-]
[3-(2-hydroxy-2-oxoethyl)sulfinyl-5-methyl-1H-pyrazol-4-yl]-oxido-oxoazanium