Task: Answer the multiple choice question.
Question: Which compound exhibits a -6.521\% 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 other words.
Options:
a) COc1ccc(CC(=O)Nc2ccc(-c3noc(-c4cccc(OC)c4)n3)cc2)cc1
b) CN1CCC(N(C)S(=O)(=O)c2ccc(NC(=O)COc3cccc(Cl)c3)cc2)CC1
c) c1ccc(-c2nnc(CN3CCCc4ccccc43)o2)cc1
d) O=C(/C=C/c1cc([N+](=O)[O-])ccc1OC(F)F)Nc1cccc(OC(F)F)c1
Answer: c. c1ccc(-c2nnc(CN3CCCc4ccccc43)o2)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#}
c1ccc(-c2nnc(CN3CCCc4ccccc43)o2)cc1
c1ccc(-c2nnc(CN3CCCc4ccccc43)o2)cc1
2-(3,4-dihydro-2H-quinolin-1-ylmethyl)-5-phenyl-1,3,4-oxadiazole