Task: Answer the multiple choice question.
Query: Which drug exhibits a 12.789\% 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 O=[N+]([O-])c1ccccc1OCCCOc1cccc2cccnc12
b CC(=O)N/C(=C/c1ccc(OS(=O)(=O)c2ccc(C)cc2)cc1)C(=O)NCCCO
c COc1ccc(CCNCC(O)COc2c(C)cccc2C)cc1OC.O=C(O)C(=O)O
d O=C(CSc1nccc(=O)[nH]1)Nc1ccc(F)c([N+](=O)[O-])c1
Answer: a. O=[N+]([O-])c1ccccc1OCCCOc1cccc2cccnc12
{#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=[N+]([O-])c1ccccc1OCCCOc1cccc2cccnc12
O=[N+]([O-])c1ccccc1OCCCOc1cccc2cccnc12
8-[3-(2-nitrophenoxy)propoxy]quinoline