Task: Answer the multiple-choice question.
Query: Which drug has a 3.974\% 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, or c without using any additional words.
Options:
a. CSc1ccc(C(=O)NC2CCSc3ccccc32)cc1
b. COC(=O)CCC(=O)NC(=S)Nc1ccc(S(=O)(=O)N2CCCC2)cc1
c. CN(CC(=O)Nc1cc([N+](=O)[O-])ccc1Cl)Cc1ccc(Br)cc1
Answer: c. CN(CC(=O)Nc1cc([N+](=O)[O-])ccc1Cl)Cc1ccc(Br)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#}
CN(CC(=O)Nc1cc([N+](=O)[O-])ccc1Cl)Cc1ccc(Br)cc1
CN(CC(=O)Nc1cc([N+](=O)[O-])ccc1Cl)Cc1ccc(Br)cc1
[3-[[2-[(4-bromophenyl)methyl-methylamino]acetyl]amino]-4-chlorophenyl]-oxido-oxoazanium