Task: Answer the MCQ question.
Query: Which drug exhibits a 6.443\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COc1ccc(-n2nc3c(N4CCC(C(=O)N5CCC(C)CC5)CC4)nnc(C)c3c2C)cc1
b: O=C(C[n+]1cccc(CNC(=O)c2ccc(OC(F)F)cc2)c1)Nc1cccc(C(F)(F)F)c1.[Cl-]
c: C=CCOc1ccc(/C=N/NC(=O)C2CCCC2)cc1OCC
d: O=C(CCNC(=O)c1ccc([N+](=O)[O-])cc1)NNC(=O)c1ccncc1
Answer: b. O=C(C[n+]1cccc(CNC(=O)c2ccc(OC(F)F)cc2)c1)Nc1cccc(C(F)(F)F)c1.[Cl-]
{#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(C[n+]1cccc(CNC(=O)c2ccc(OC(F)F)cc2)c1)Nc1cccc(C(F)(F)F)c1.[Cl-]
O=C(C[n+]1cccc(CNC(=O)c2ccc(OC(F)F)cc2)c1)Nc1cccc(C(F)(F)F)c1.[Cl-]
4-(difluoromethoxy)-N-[[1-[2-oxo-2-[3-(trifluoromethyl)anilino]ethyl]pyridin-1-ium-3-yl]methyl]benzamide;chloride