Task: Answer the multiple-choice question.
Query: Which drug exhibits a 0.753\% 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] CN(C)c1ccc(/C=N/N2C(=S)SC(C)(C)C2N(O)C(=O)Nc2ccc([N+](=O)[O-])cc2)cc1
[b] COc1cc2c(C(=O)N3CCN(c4ccccc4F)CC3)cn(C)c(=O)c2cc1OC
Answer: b. COc1cc2c(C(=O)N3CCN(c4ccccc4F)CC3)cn(C)c(=O)c2cc1OC
{#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(C(=O)N3CCN(c4ccccc4F)CC3)cn(C)c(=O)c2cc1OC
COc1cc2c(C(=O)N3CCN(c4ccccc4F)CC3)cn(C)c(=O)c2cc1OC
4-[4-(2-fluorophenyl)piperazine-1-carbonyl]-6,7-dimethoxy-2-methylisoquinolin-1-one