Task: Answer the multiple-choice question.
Question: Which compound has a -9.649\% 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] CNNC(=O)C(C)NC(=O)c1ccc(Br)cc1
[b] CCOC(=O)N1CCC(N2C(=O)c3ccc(C(=O)NCCC(C)C)cc3C2=O)CC1
[c] COc1ccc(CNS(=O)(=O)c2cc3c(cc2Cl)NC(=O)CO3)cc1
[d] O=c1[nH]c(N2CCN(Cc3ccc4c(c3)OCO4)CC2)nc2c1CCCC2
Answer: a. CNNC(=O)C(C)NC(=O)c1ccc(Br)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#}
CNNC(=O)C(C)NC(=O)c1ccc(Br)cc1
CNNC(=O)C(C)NC(=O)c1ccc(Br)cc1
4-bromo-N-[1-(2-methylhydrazinyl)-1-oxopropan-2-yl]benzamide