Task: Answer the MCQ question.
Question: Which drug exhibits a -1.443\% 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 or b without using any other words.
Options:
a) O=C(COc1ccccc1)NCC(=O)Nc1cccc(S(=O)(=O)NC2=NCCC2)c1
b) O=C(CN1C(=O)NC2(CCCc3ccccc32)C1=O)c1ccc(Br)cc1
Answer: b. O=C(CN1C(=O)NC2(CCCc3ccccc32)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(CCCc3ccccc32)C1=O)c1ccc(Br)cc1
O=C(CN1C(=O)NC2(CCCc3ccccc32)C1=O)c1ccc(Br)cc1
3'-[2-(4-bromophenyl)-2-oxoethyl]spiro[2,3-dihydro-1H-naphthalene-4,5'-imidazolidine]-2',4'-dione