Task: Answer the multiple choice question.
Question: Which drug exhibits a 2.135\% 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, b, or c without using any additional words.
Options:
[a] Cc1ccc(CN(C(=O)c2csnn2)C(C(=O)NC2CCCC2)c2cccnc2)cc1
[b] Brc1ccc(-c2nnc3c4ccccc4nc(N4CCOCC4)n23)cc1
[c] O=C(c1ccnc(Cl)c1)N1CCCC(Nc2ccc(F)cc2)C1
Answer: b. Brc1ccc(-c2nnc3c4ccccc4nc(N4CCOCC4)n23)cc1
{#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#}
Brc1ccc(-c2nnc3c4ccccc4nc(N4CCOCC4)n23)cc1
Brc1ccc(-c2nnc3c4ccccc4nc(N4CCOCC4)n23)cc1
4-[3-(4-bromophenyl)-[1,2,4]triazolo[4,3-c]quinazolin-5-yl]morpholine