Problem statement: Answer the MCQ question.
Query: Which compound has a 1.932\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CC1=C([N+](=O)[O-])C(c2ccc(Cl)cc2)NC(=O)N1C
b. CCOc1cc(N2CCOCC2)c(OCC)cc1NC(=O)COC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(C)=O
c. COc1ccc(N2CCN(C(=O)c3oc4ccccc4c3NC(=O)Cc3cccc(OC)c3)CC2)cc1
d. COCCNC(=O)Cn1cc(C(=O)c2ccccc2F)c2ccccc21
Answer: a. CC1=C([N+](=O)[O-])C(c2ccc(Cl)cc2)NC(=O)N1C
{#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#}
CC1=C([N+](=O)[O-])C(c2ccc(Cl)cc2)NC(=O)N1C
CC1=C([N+](=O)[O-])C(c2ccc(Cl)cc2)NC(=O)N1C
6-(4-chlorophenyl)-3,4-dimethyl-5-nitro-1,6-dihydropyrimidin-2-one