Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -4.878\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: CCc1ccc(CNC(=O)C2CC(=O)N(CCc3ccc(C)cc3)C2)cc1
b: O=C1CC(N2CCN(c3ccccn3)CC2)C(=O)N1c1ccc(Cl)cc1
c: Cc1nc(NC(=O)c2ccc(Br)o2)sc1C
Answer: b. O=C1CC(N2CCN(c3ccccn3)CC2)C(=O)N1c1ccc(Cl)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=C1CC(N2CCN(c3ccccn3)CC2)C(=O)N1c1ccc(Cl)cc1
O=C1CC(N2CCN(c3ccccn3)CC2)C(=O)N1c1ccc(Cl)cc1
1-(4-chlorophenyl)-3-(4-pyridin-2-ylpiperazin-1-yl)pyrrolidine-2,5-dione