Task: Answer the MCQ question.
Query: Which compound exhibits a -8.928\% 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, b, c, or d without using any additional words.
Options:
a CCN(CC)CC#CCC(O)(c1ccccc1)c1ccc(Br)cc1.Cl
b CCOC(=O)N1CCN(C(=O)c2cccn3c(=O)c4c5c(sc4nc23)CCCC5)CC1
c Cc1cccc(N2CCN(C(=O)COc3cccc4c3OC(C)(C)C4)CC2)c1C
d Cc1cc(N2CCOCC2)nc2ccc(NC(=O)CCC(=O)N3CCC(C)CC3)cc12
Answer: b. CCOC(=O)N1CCN(C(=O)c2cccn3c(=O)c4c5c(sc4nc23)CCCC5)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#}
CCOC(=O)N1CCN(C(=O)c2cccn3c(=O)c4c5c(sc4nc23)CCCC5)CC1
CCOC(=O)N1CCN(C(=O)c2cccn3c(=O)c4c5c(sc4nc23)CCCC5)CC1
ethyl 4-(9-oxo-17-thia-2,8-diazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),2,4,6,11(16)-pentaene-4-carbonyl)piperazine-1-carboxylate