Task: Answer the MCQ question.
Question: Which drug has a -3.173\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CC(=O)c1ccc(NC(=O)Nc2ccncc2)cc1
b CCOC(=O)c1c(CSc2ccccc2)n(C)c2cc(Br)c(O)c(CN(C)C)c12
c Cc1[nH]c2ccccc2c1C(=O)C(=O)Nc1ccc2c(c1)OCCO2
d Cc1ccc(-n2[nH]c(C)c(C=Nc3ccc(S(=O)(=O)Nc4nccs4)cc3)c2=O)c(C)c1
e Cc1ccc(NC(NC(=O)OCCn2c([N+](=O)[O-])cnc2C)C(Cl)(Cl)Cl)cc1
Answer: b. CCOC(=O)c1c(CSc2ccccc2)n(C)c2cc(Br)c(O)c(CN(C)C)c12
{#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)c1c(CSc2ccccc2)n(C)c2cc(Br)c(O)c(CN(C)C)c12
CCOC(=O)c1c(CSc2ccccc2)n(C)c2cc(Br)c(O)c(CN(C)C)c12
ethyl 6-bromo-4-[(dimethylamino)methyl]-5-hydroxy-1-methyl-2-(phenylsulfanylmethyl)indole-3-carboxylate