Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a 3.519\% 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 other words.
Options:
a COc1ccc2nc(NC(=O)CCNS(=O)(=O)c3ccc4c(c3)oc(=O)n4C)sc2c1
b CCOP(=O)(c1ccccc1)c1nc(-c2ccccc2Cl)oc1N1CCCCC1
c Cc1ccc(-c2nnc3sc(C4COc5ccccc5O4)nn23)cc1
d O=C(C[n+]1cn(C(F)F)c2ccccc21)c1ccc(Br)cc1.[Br-]
Answer: d. O=C(C[n+]1cn(C(F)F)c2ccccc21)c1ccc(Br)cc1.[Br-]
{#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+]1cn(C(F)F)c2ccccc21)c1ccc(Br)cc1.[Br-]
O=C(C[n+]1cn(C(F)F)c2ccccc21)c1ccc(Br)cc1.[Br-]
1-(4-bromophenyl)-2-[3-(difluoromethyl)benzimidazol-1-ium-1-yl]ethanone;bromide