Task: Answer the multiple-choice question.
Question: Which compound has a -20.601\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a) Cc1ccc(Cl)cc1NC(=O)COC(=O)C1CCCC1
b) CC(C)CN1CCN(Cc2cccn2-c2ccc(Cl)cn2)CC1CCO
c) COc1cc2c(cc1OC)CN(C(=O)CN1C(=O)c3ccc([N+](=O)[O-])cc3C1=O)CC2
d) O=C(O)c1cccc(NC(=O)c2cn(-c3ccccc3)nc2-c2ccncc2)c1
Answer: b. CC(C)CN1CCN(Cc2cccn2-c2ccc(Cl)cn2)CC1CCO
{#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#}
CC(C)CN1CCN(Cc2cccn2-c2ccc(Cl)cn2)CC1CCO
CC(C)CN1CCN(Cc2cccn2-c2ccc(Cl)cn2)CC1CCO
2-[4-[[1-(5-chloropyridin-2-yl)pyrrol-2-yl]methyl]-1-(2-methylpropyl)piperazin-2-yl]ethanol