Problem statement: Answer the multiple-choice question.
Query: Which compound has a 18.628\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) Cn1cccc1CC(=O)N/N=C/c1cccc([N+](=O)[O-])c1
(b) C[C@@H]1O[C@@H](Oc2c(-c3cc(O)c(O)c(O)c3)oc3cc(O)cc(O)c3c2=O)[C@H](O)[C@H](O)[C@H]1O
(c) CC(C)c1ccc(Nc2nnc(SCC(=O)Nc3ncc(S(=O)(=O)c4ccc([N+](=O)[O-])cc4)s3)s2)cc1
(d) CCCCC1=CC2=CC(=O)C(C)(OC(=O)c3ccc(Cl)nc3)C(=O)C2=CO1
(e) O=C(CSc1ccccn1)Nc1ccccc1F
Answer: a. Cn1cccc1CC(=O)N/N=C/c1cccc([N+](=O)[O-])c1
{#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#}
Cn1cccc1CC(=O)N/N=C/c1cccc([N+](=O)[O-])c1
Cn1cccc1CC(=O)N/N=C/c1cccc([N+](=O)[O-])c1
2-(1-methylpyrrol-2-yl)-N-[(E)-(3-nitrophenyl)methylideneamino]acetamide