Task: Answer the multiple-choice question.
Question: Which compound exhibits a 4.994\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CC(=O)OC(C)(C)C1Cc2cc3ccc(=O)oc3cc2O1
b COc1ccc(CCNC(=O)c2ccc3nc(N4CCOCC4)sc3c2)cc1OC
Answer: b. COc1ccc(CCNC(=O)c2ccc3nc(N4CCOCC4)sc3c2)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#}
COc1ccc(CCNC(=O)c2ccc3nc(N4CCOCC4)sc3c2)cc1OC
COc1ccc(CCNC(=O)c2ccc3nc(N4CCOCC4)sc3c2)cc1OC
N-[2-(3,4-dimethoxyphenyl)ethyl]-2-morpholin-4-yl-1,3-benzothiazole-6-carboxamide