Task: Answer the multiple choice question.
Query: Which drug exhibits a 3.286\% 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) c1ccc(-c2ccnc3nc(N4CCN(c5ccccc5)CC4)nn23)cc1
b) COc1ccc2c(C)cc(SCC(=O)Nc3c(C)n(C)n(-c4ccccc4)c3=O)nc2c1
Answer: a. c1ccc(-c2ccnc3nc(N4CCN(c5ccccc5)CC4)nn23)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#}
c1ccc(-c2ccnc3nc(N4CCN(c5ccccc5)CC4)nn23)cc1
c1ccc(-c2ccnc3nc(N4CCN(c5ccccc5)CC4)nn23)cc1
7-phenyl-2-(4-phenylpiperazin-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidine