Task: Answer the multiple-choice question.
Query: Which compound exhibits a -12.239% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a O=S(=O)([O-])c1cc(O)c2c(O)c(N=Nc3cc(Cl)ccc3O)c(S(=O)(=O)[O-])cc2c1.[Na+]
b Cc1nc2c(Cl)cccc2c2c1CC(CBr)O2
c CCOC(=O)N1CCN(c2cc(=O)n(-c3cccc(C)c3)c(=O)[nH]2)CC1
d O=[N+]([O-])c1cccc(-c2ccc(C(=S)N3CCN(c4ccccc4)CC3)o2)c1
e Cc1nc2ccccc2c(=O)n1Cc1ccco1
Answer: b. Cc1nc2c(Cl)cccc2c2c1CC(CBr)O2
{#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#}
Cc1nc2c(Cl)cccc2c2c1CC(CBr)O2
Cc1nc2c(Cl)cccc2c2c1CC(CBr)O2
2-(bromomethyl)-6-chloro-4-methyl-2,3-dihydrofuro[3,2-c]quinoline