Task: Answer the multiple-choice question.
Question: Which compound exhibits a -12.988\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COc1ccc(NC(=S)NC(=O)c2cccnc2)cc1
b: C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)CCCCCCCCCCNC(=O)Cn3cc(C[C@@H](C)O)nn3)CC2)nc(N2CCN(C(=O)CCCCCCCCCCNC(=O)[C@H](CCCCN)n3cc(CCCC(=O)O)nn3)CC2)n1
c: CCOc1ccc2[nH]c3c(N4CCN(c5ccccn5)CC4)ncnc3c2c1
d: Cc1cccc(C)c1OCC(=O)Nc1ccccc1C(=O)N1CCOCC1
Answer: c. CCOc1ccc2[nH]c3c(N4CCN(c5ccccn5)CC4)ncnc3c2c1
{#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#}
CCOc1ccc2[nH]c3c(N4CCN(c5ccccn5)CC4)ncnc3c2c1
CCOc1ccc2[nH]c3c(N4CCN(c5ccccn5)CC4)ncnc3c2c1
8-ethoxy-4-(4-pyridin-2-ylpiperazin-1-yl)-5H-pyrimido[5,4-b]indole