Problem statement: Answer the multiple-choice question.
Question: Which drug has a -0.523\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) O=C1CCC(NC(=O)c2ccccc2)C(=O)N1
b.) O=C(C/C=N\OCc1ccc([N+](=O)[O-])cc1)Nc1ccc(Cl)cc1
c.) COC(=O)c1cc(O)cc(OC)c1Oc1cc(C)cc(O)c1C(=O)O
d.) CCOc1cc(/C=N/NC(=O)COc2cccc(C)c2)ccc1OC(=O)c1cccs1
e.) Cc1cccc(-n2cnc3c(c2=O)c2nc4ccccc4nc2n3Cc2ccco2)c1
Answer: b. O=C(C/C=N\OCc1ccc([N+](=O)[O-])cc1)Nc1ccc(Cl)cc1
{#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/C=N\OCc1ccc([N+](=O)[O-])cc1)Nc1ccc(Cl)cc1
O=C(C/C=N\OCc1ccc([N+](=O)[O-])cc1)Nc1ccc(Cl)cc1
[4-[[(Z)-[3-(4-chloroanilino)-3-oxopropylidene]amino]oxymethyl]phenyl]-oxido-oxoazanium