Task: Answer the multiple-choice question.
Query: Which drug has a 4.889\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCOC(=O)c1ccccc1NS(=O)(=O)c1ccc(OCC)cc1
(b) O=[N+]([O-])c1ccc(CN2CCN(c3ccc(Cl)cc3)CC2)o1
(c) CC12CCC(C(=O)N3CCN(c4ccccc4)CC3)(CC1=O)C2(C)C
Answer: b. O=[N+]([O-])c1ccc(CN2CCN(c3ccc(Cl)cc3)CC2)o1
{#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=[N+]([O-])c1ccc(CN2CCN(c3ccc(Cl)cc3)CC2)o1
O=[N+]([O-])c1ccc(CN2CCN(c3ccc(Cl)cc3)CC2)o1
1-(4-chlorophenyl)-4-[(5-nitrofuran-2-yl)methyl]piperazine