Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 4.528\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CCN(c1ccccc1)c1cc2ccccc2c(=O)[nH]1
b) COc1cc(C(=S)N2CCOCC2)cc(OC)c1OC(=O)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1
Answer: a. CCN(c1ccccc1)c1cc2ccccc2c(=O)[nH]1
{#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#}
CCN(c1ccccc1)c1cc2ccccc2c(=O)[nH]1
CCN(c1ccccc1)c1cc2ccccc2c(=O)[nH]1
3-(N-ethylanilino)-2H-isoquinolin-1-one