Task: Answer the multiple-choice question.
Query: Which drug exhibits a -12.993\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cc1ccc2nc(SCc3nc4ccccc4c(=O)[nH]3)[nH]c2c1
b: O=C1CC(N2CCN(Cc3ccc(Cl)cc3)CC2)C(=O)N1CCc1ccccc1
Answer: b. O=C1CC(N2CCN(Cc3ccc(Cl)cc3)CC2)C(=O)N1CCc1ccccc1
{#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(Cc3ccc(Cl)cc3)CC2)C(=O)N1CCc1ccccc1
O=C1CC(N2CCN(Cc3ccc(Cl)cc3)CC2)C(=O)N1CCc1ccccc1
3-[4-[(4-chlorophenyl)methyl]piperazin-1-yl]-1-(2-phenylethyl)pyrrolidine-2,5-dione