Task: Answer the MCQ question.
Query: Which compound has a 2.477% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc(OCCNC(=O)C(c2ccccc2)c2ccccc2)cc1
b. O=c1nc(N2CCOCC2)ccn1Cc1ccc(Br)cc1
Answer: b. O=c1nc(N2CCOCC2)ccn1Cc1ccc(Br)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=c1nc(N2CCOCC2)ccn1Cc1ccc(Br)cc1
O=c1nc(N2CCOCC2)ccn1Cc1ccc(Br)cc1
1-[(4-bromophenyl)methyl]-4-morpholin-4-ylpyrimidin-2-one