Task: Answer the multiple-choice question.
Question: Which drug exhibits a 8.450\% 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) O=C(CSc1ncnc2sccc12)Nc1ccccc1
(b) COc1ccc(Nc2nc(N)c([N+](=O)[O-])c(N3CCN(C)CC3)n2)cc1
(c) C[C@H]1OP(=O)(Oc2ccccc2)[C@H](O)[C@H](O)[C@H]1N=[N+]=[N-]
(d) O=C(NNc1cccc(Cl)n1)c1cc(C(=O)c2ccc(Cl)cc2Cl)c[nH]1
Answer: b. COc1ccc(Nc2nc(N)c([N+](=O)[O-])c(N3CCN(C)CC3)n2)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#}
COc1ccc(Nc2nc(N)c([N+](=O)[O-])c(N3CCN(C)CC3)n2)cc1
COc1ccc(Nc2nc(N)c([N+](=O)[O-])c(N3CCN(C)CC3)n2)cc1
2-N-(4-methoxyphenyl)-6-(4-methylpiperazin-1-yl)-5-nitropyrimidine-2,4-diamine