Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 0.717\% 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) Cc1nnc(SCC(=O)NC(C)(C)C)n1CCc1ccccc1
(b) O=C(COc1ccccc1Cl)N1CCN(c2ccc([N+](=O)[O-])c(N3CCCCC3)c2)CC1
Answer: b. O=C(COc1ccccc1Cl)N1CCN(c2ccc([N+](=O)[O-])c(N3CCCCC3)c2)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(COc1ccccc1Cl)N1CCN(c2ccc([N+](=O)[O-])c(N3CCCCC3)c2)CC1
O=C(COc1ccccc1Cl)N1CCN(c2ccc([N+](=O)[O-])c(N3CCCCC3)c2)CC1
2-(2-chlorophenoxy)-1-[4-(4-nitro-3-piperidin-1-ylphenyl)piperazin-1-yl]ethanone