Task: Answer the MCQ question.
Question: Which compound has a 5.689\% 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) CC(C)C(=O)C1=Cc2cccc([N+](=O)[O-])c2OC1N1CCOCC1
(b) CCOc1ccccc1N1Cc2ccccc2C1
(c) CCOc1ccc(S(=O)(=O)NCC(c2ccc3c(c2)OCO3)N2CCN(C)CC2)cc1
(d) O=C(c1ccc(OC2CCN(C/C=C/c3ccccc3)CC2)cc1)N1CCCCC1
Answer: a. CC(C)C(=O)C1=Cc2cccc([N+](=O)[O-])c2OC1N1CCOCC1
{#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(C)C(=O)C1=Cc2cccc([N+](=O)[O-])c2OC1N1CCOCC1
CC(C)C(=O)C1=Cc2cccc([N+](=O)[O-])c2OC1N1CCOCC1
2-methyl-1-(2-morpholin-4-yl-8-nitro-2H-chromen-3-yl)propan-1-one