Task: Answer the MCQ question.
Question: Which drug exhibits a 2.075\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) COc1ccc(CCNC(=O)CC2Nc3cc(C)c(C)cc3NC2=O)cc1OC
(b) O=C(Cc1c[nH]c2ccccc12)OCCOC(=O)Cc1c[nH]c2ccccc12
(c) COc1ccc(CCNCc2ccc(OC)c(OC)c2OC)cc1
(d) O=C(CCN1C(=O)/C(=C\C=C\c2ccccc2)SC1=S)Nc1cccc(C(=O)O)c1
(e) CCOc1cc(/C=N/NC(=O)COc2cccc(C)c2)ccc1OC(=O)c1cccs1
Answer: a. COc1ccc(CCNC(=O)CC2Nc3cc(C)c(C)cc3NC2=O)cc1OC
{#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#}
N-[2-(3,4-dimethoxyphenyl)ethyl]-2-(6,7-dimethyl-3-oxo-2,4-dihydro-1H-quinoxalin-2-yl)acetamide