Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 4.420\% 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) O=C(CN1C(=O)NC2(CCOc3ccccc32)C1=O)c1ccc(Br)cc1
(b) O=C1c2ccccc2C(O)(Cc2ccccc2)N1CCCN1CCOCC1
(c) Cc1cc(NC(=O)C(C)SCC(=O)Nc2cc(C(F)(F)F)ccc2N2CCCCC2)no1
Answer: a. O=C(CN1C(=O)NC2(CCOc3ccccc32)C1=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#}
O=C(CN1C(=O)NC2(CCOc3ccccc32)C1=O)c1ccc(Br)cc1
O=C(CN1C(=O)NC2(CCOc3ccccc32)C1=O)c1ccc(Br)cc1
3'-[2-(4-bromophenyl)-2-oxoethyl]spiro[2,3-dihydrochromene-4,5'-imidazolidine]-2',4'-dione