Task: Answer the multiple-choice question.
Question: Which compound exhibits a 9.909\% 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) Cn1c(COc2ccc(Br)cc2)nnc1SC1CCc2ccccc2C1=O
b) COc1cc2c(cc1OC)C(c1cccs1)CC(=O)N2
Answer: b. COc1cc2c(cc1OC)C(c1cccs1)CC(=O)N2
{#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#}
COc1cc2c(cc1OC)C(c1cccs1)CC(=O)N2
COc1cc2c(cc1OC)C(c1cccs1)CC(=O)N2
6,7-dimethoxy-4-(thiophen-2-yl)-3,4-dihydro-1H-quinolin-2-one