Task: Answer the multiple-choice question.
Query: Which compound has a -4.367\% 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=C(Nc1nc(-c2ccc(F)cc2)cs1)c1ccc(N2C(=O)CCC2=O)cc1
[b] O=C1CN(c2ccc(C(F)(F)F)cc2[N+](=O)[O-])CC2OCCN12
[c] NC(=O)[C@H]1CC2(CC(c3cccc(NC(=O)COc4ccc(Cl)cc4)c3)=NO2)CN1C(=O)C(c1ccccc1)c1ccccc1
[d] COCCn1c(SCC(=O)N2CCOCC2)nc2c(c1=O)SCC2
Answer: b. O=C1CN(c2ccc(C(F)(F)F)cc2[N+](=O)[O-])CC2OCCN12
{#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=C1CN(c2ccc(C(F)(F)F)cc2[N+](=O)[O-])CC2OCCN12
O=C1CN(c2ccc(C(F)(F)F)cc2[N+](=O)[O-])CC2OCCN12
oxido-oxo-[2-(5-oxo-3,6,8,8a-tetrahydro-2H-[1,3]oxazolo[3,2-a]pyrazin-7-yl)-5-(trifluoromethyl)phenyl]azanium