Task: Answer the multiple-choice question.
Query: Which compound exhibits a -2.272\% 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 other words.
Options:
[a] CC(=O)c1cccc(Nc2ncnc3ccc(Br)cc23)c1
[b] COc1cccc(Oc2cnc(N)nc2-c2ccc(OC)cc2O)c1
[c] O=C(CSc1nnc(-c2ccccc2F)n1C1CC1)NCc1ccco1
[d] COc1ccc(CCNC(=O)C2CCN(S(=O)(=O)c3ccc(C)cc3)CC2)cc1OC
[e] O=C(Nc1cc(S(=O)(=O)Nc2ccccc2Cl)ccc1O)c1cc2c(s1)CCCC2
Answer: a. CC(=O)c1cccc(Nc2ncnc3ccc(Br)cc23)c1
{#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#}
CC(=O)c1cccc(Nc2ncnc3ccc(Br)cc23)c1
CC(=O)c1cccc(Nc2ncnc3ccc(Br)cc23)c1
1-[3-[(6-bromoquinazolin-4-yl)amino]phenyl]ethanone