Task: Answer the MCQ question.
Question: Which drug exhibits a -68.475% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CC1(C)CC(=O)C=C(Nc2ccccc2N)C1
[b] O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(c2cccc(Cl)c2)CC1
[c] Cc1cccc(NC(=O)CN2CCCCCC2)c1
[d] CC(=O)Nc1ccc(S(=O)(=O)N[C@H](C(=O)O)C(C)C)cc1
Answer: b. O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(c2cccc(Cl)c2)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(c2cccc(Cl)c2)CC1
O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(c2cccc(Cl)c2)CC1
[4-(3-chlorophenyl)piperazin-1-yl]-[3-nitro-4-(1,2,4-triazol-1-yl)phenyl]methanone