Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 12.928\% 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) COc1nc(NCCO)nc(Nc2cc(Cl)ccc2OC)n1
(b) Cc1cccc(NC(=O)c2nc[nH]c2C(=O)Nc2cccc(C)c2)c1
Answer: a. COc1nc(NCCO)nc(Nc2cc(Cl)ccc2OC)n1
{#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#}
COc1nc(NCCO)nc(Nc2cc(Cl)ccc2OC)n1
COc1nc(NCCO)nc(Nc2cc(Cl)ccc2OC)n1
2-[[4-(5-chloro-2-methoxyanilino)-6-methoxy-1,3,5-triazin-2-yl]amino]ethanol