Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 19.358\% 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 or b without using any other words.
Options:
(a) Cn1c(SCCOc2ccccc2Cl)nnc1-c1cccs1
(b) CCCCCC(=O)NC(=S)NNC(=O)c1ccc([N+](=O)[O-])cc1
Answer: b. CCCCCC(=O)NC(=S)NNC(=O)c1ccc([N+](=O)[O-])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#}
CCCCCC(=O)NC(=S)NNC(=O)c1ccc([N+](=O)[O-])cc1
CCCCCC(=O)NC(=S)NNC(=O)c1ccc([N+](=O)[O-])cc1
[C][C][C][C][C][C][=Branch1][C][=O][N][C][=Branch1][C][=S][N][N][C][=Branch1][C][=O][C][=C][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][Ring1][=Branch2]
[4-[(hexanoylcarbamothioylamino)carbamoyl]phenyl]-oxido-oxoazanium