Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 2.048\% 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 additional words.
Options:
a. CCOC(=O)c1c(COC(=O)c2ccco2)nc2ccccc2[n+]1[O-]
b. Cc1nc(C)c(-c2ccc(SCc3ccc([N+](=O)[O-])cc3)nn2)s1
c. O=S(=O)(Nc1ccc(Cc2ccncc2)cc1)N1CCCC1
d. COc1ccc(C(=O)OCC(N)=O)cc1[N+](=O)[O-]
Answer: a. CCOC(=O)c1c(COC(=O)c2ccco2)nc2ccccc2[n+]1[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#}
CCOC(=O)c1c(COC(=O)c2ccco2)nc2ccccc2[n+]1[O-]
CCOC(=O)c1c(COC(=O)c2ccco2)nc2ccccc2[n+]1[O-]
ethyl 3-(furan-2-carbonyloxymethyl)-1-oxidoquinoxalin-1-ium-2-carboxylate