Task: Answer the MCQ question.
Question: Which compound exhibits a -6.285\% 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) Cc1[nH]c(=O)[nH]c(=O)c1S(=O)(=O)N1CCN(c2cccc(Cl)c2)CC1
(b) Cc1ccc2cc(CCNS(=O)(=O)c3ccc(F)cc3)c(=O)[nH]c2c1C
(c) CCCCOc1ccc(C(=O)N2CCN(c3ccc(N4CCOCC4)nn3)CC2)cc1
(d) O=c1[nH]c(=O)n(Cc2ccccc2)c(O)c1C=Nc1ccc(CN2CCOCC2)cc1
Answer: c. CCCCOc1ccc(C(=O)N2CCN(c3ccc(N4CCOCC4)nn3)CC2)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#}
CCCCOc1ccc(C(=O)N2CCN(c3ccc(N4CCOCC4)nn3)CC2)cc1
CCCCOc1ccc(C(=O)N2CCN(c3ccc(N4CCOCC4)nn3)CC2)cc1
(4-butoxyphenyl)-[4-(6-morpholin-4-ylpyridazin-3-yl)piperazin-1-yl]methanone