Task: Answer the multiple-choice question.
Query: Which compound has a 4.649\% 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. O=c1ccc(Oc2nc(N3CCOCC3)nc(N3CCOCC3)n2)n[nH]1
b. NCCNc1ccc([N+](=O)[O-])c2cccnc12
c. CCOc1cc(NC(=O)c2cccs2)c(OCC)cc1NC(=O)CCC(=O)NCc1ccccn1
d. CCOC(=O)N1CCC(NC(=O)C2CCN(C(=O)N3CC(C)Oc4ccccc43)CC2)CC1
Answer: a. O=c1ccc(Oc2nc(N3CCOCC3)nc(N3CCOCC3)n2)n[nH]1
{#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#}
3-[(4,6-dimorpholin-4-yl-1,3,5-triazin-2-yl)oxy]-1H-pyridazin-6-one