Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 2.237\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. Cc1ccccc1NC(=O)c1c(Cl)nc(C)c(Cl)c1C
b. O=c1oc2ccccc2c(NC(c2ccccc2)c2ccccc2)c1[N+](=O)[O-]
c. CC1Cc2nc(SCC(=O)Nc3ccc(F)cc3F)n(C)c(=O)c2S1
Answer: b. O=c1oc2ccccc2c(NC(c2ccccc2)c2ccccc2)c1[N+](=O)[O-]
{#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=c1oc2ccccc2c(NC(c2ccccc2)c2ccccc2)c1[N+](=O)[O-]
O=c1oc2ccccc2c(NC(c2ccccc2)c2ccccc2)c1[N+](=O)[O-]
4-(benzhydrylamino)-3-nitrochromen-2-one