Problem statement: Answer the MCQ question.
Question: Which compound has a -5.172\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=C(/C=C/c1ccccc1Cl)N1CCN(c2ncccn2)CC1
b: O=C(CN1C(=O)C2(OCCO2)c2ccccc21)c1ccc(Br)cc1
c: CCc1sc(C(=O)Nc2ccccc2N2CCOCC2)cc1C
d: COc1ccc(-c2noc(-c3ccc(Cl)cc3[N+](=O)[O-])n2)cc1OC
Answer: b. O=C(CN1C(=O)C2(OCCO2)c2ccccc21)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)C2(OCCO2)c2ccccc21)c1ccc(Br)cc1
O=C(CN1C(=O)C2(OCCO2)c2ccccc21)c1ccc(Br)cc1
1'-[2-(4-bromophenyl)-2-oxoethyl]spiro[1,3-dioxolane-2,3'-indole]-2'-one