Task: Answer the MCQ question.
Question: Which compound has a 11.840\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCC[N+]1(CC#CC(O)(c2ccccc2)C2CCCCC2)CCCCC1.[Br-]
[b] O=c1oc(-c2ccc([N+](=O)[O-])cc2)nc2ccc(O)cc12
[c] CCOC(=O)CSc1ccc(S(=O)(=O)N2CCCC2)cc1[N+](=O)[O-]
[d] Cc1nc(SCC(=O)N(C)Cc2ccco2)c2c(C)c(C)sc2n1
Answer: b. O=c1oc(-c2ccc([N+](=O)[O-])cc2)nc2ccc(O)cc12
{#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=c1oc(-c2ccc([N+](=O)[O-])cc2)nc2ccc(O)cc12
O=c1oc(-c2ccc([N+](=O)[O-])cc2)nc2ccc(O)cc12
6-hydroxy-2-(4-nitrophenyl)-3,1-benzoxazin-4-one