Task: Answer the multiple choice question.
Query: Which compound has a 12.494\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a O=C(N/C(=C\c1ccccc1)C(=O)N1CCCCC1)c1ccco1
b CCN(CC)c1ncnc2ccc(Br)cc12
c COc1ccc(CCNC2CCCCCC2)cc1
d CCNc1ccccc1CP(=O)(c1ccccc1)c1ccccc1O
Answer: b. CCN(CC)c1ncnc2ccc(Br)cc12
{#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#}
CCN(CC)c1ncnc2ccc(Br)cc12
CCN(CC)c1ncnc2ccc(Br)cc12
6-bromo-N,N-diethylquinazolin-4-amine