Problem statement: Answer the multiple-choice question.
Query: Which compound has a 12.667\% 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=c1c2ccccc2nc(SCc2ccc(F)cc2Cl)n1CCCN1CCOCC1
[b] OCCOCCNc1ncnc2nc[nH]c12
[c] Nc1nnc(SCC(=O)c2ccc3c(c2)NC(=O)CO3)s1
[d] Cn1c(=NC(=O)c2ccccc2[N+](=O)[O-])sc2cc(S(C)(=O)=O)ccc21
[e] COc1cc(NC(=O)c2ccc3snnc3c2)cc(OC)c1
Answer: b. OCCOCCNc1ncnc2nc[nH]c12
{#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#}
OCCOCCNc1ncnc2nc[nH]c12
OCCOCCNc1ncnc2nc[nH]c12
2-[2-(7H-purin-6-ylamino)ethoxy]ethanol