Task: Answer the multiple-choice question.
Query: Which compound exhibits a 4.343\% 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) C=CCN1C(=O)CN=C1Nc1cccc(C)c1.Cl
(b) COC(=O)c1cc(C)ccc1OCc1ccc([N+](=O)[O-])cc1
(c) Cn1c(CC(=O)Nc2ccccc2Cl)nnc1SCC(=O)Nc1nncs1
(d) COc1ccc(N2C(=O)CC(N(CCc3ccc(S(N)(=O)=O)cc3)C(=S)Nc3ccccc3)C2=O)cc1
Answer: b. COC(=O)c1cc(C)ccc1OCc1ccc([N+](=O)[O-])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#}
COC(=O)c1cc(C)ccc1OCc1ccc([N+](=O)[O-])cc1
COC(=O)c1cc(C)ccc1OCc1ccc([N+](=O)[O-])cc1
methyl 5-methyl-2-[(4-nitrophenyl)methoxy]benzoate