Task: Answer the multiple choice question.
Question: Which compound has a 21.118\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. COc1ccc(N2C(=O)CSC2c2ccccc2F)c(OC)c1
b. CCn1ncc(Cl)c1C(=O)NC(=S)Nc1ccccc1Br
c. NCCc1c(C(=O)O)[nH]c2ccc([N+](=O)[O-])cc12
Answer: b. CCn1ncc(Cl)c1C(=O)NC(=S)Nc1ccccc1Br
{#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#}
CCn1ncc(Cl)c1C(=O)NC(=S)Nc1ccccc1Br
CCn1ncc(Cl)c1C(=O)NC(=S)Nc1ccccc1Br
N-[(2-bromophenyl)carbamothioyl]-4-chloro-2-ethylpyrazole-3-carboxamide