Problem statement: Answer the multiple-choice question.
Question: Which compound has a -86.903\% 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 CCOC(=O)C1=C(CSc2nc3c(cc2C#N)CN(C)CC3)OC(N)=C(C#N)C1c1ccc(Cl)cc1
b COc1cc(C2NCCC3(OCCO3)C2(C)C)cc(OC)c1OC.O=[N+]([O-])c1cc([N+](=O)[O-])c(O)c([N+](=O)[O-])c1
c O=C(CSC1=NC(=O)C(c2ccccc2)C(=O)N1)Nc1ccccc1Cl
d O=C(CCCSc1nc2ccccc2[nH]1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
Answer: d. O=C(CCCSc1nc2ccccc2[nH]1)N1CCN(c2ccc([N+](=O)[O-])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#}
O=C(CCCSc1nc2ccccc2[nH]1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
O=C(CCCSc1nc2ccccc2[nH]1)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
4-(1H-benzimidazol-2-ylsulfanyl)-1-[4-(4-nitrophenyl)piperazin-1-yl]butan-1-one