Task: Answer the MCQ question.
Query: Which compound exhibits a 13.839\% 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] O=C(N/N=C/c1cc2c(c([N+](=O)[O-])c1)OCO2)c1ccncc1
[b] COc1ccccc1C(=O)COC(=O)Cn1[nH]c(=O)c2ccccc2c1=O
[c] COc1ccc(C(=O)N2CCC(n3nccc3NC(=O)C3CCOC3)CC2)cc1
[d] Cc1nc2sc(C(c3cccs3)N3CCC(C(N)=O)CC3)c(O)n2n1
Answer: a. O=C(N/N=C/c1cc2c(c([N+](=O)[O-])c1)OCO2)c1ccncc1
{#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=C(N/N=C/c1cc2c(c([N+](=O)[O-])c1)OCO2)c1ccncc1
O=C(N/N=C/c1cc2c(c([N+](=O)[O-])c1)OCO2)c1ccncc1
N-[(E)-(7-nitro-1,3-benzodioxol-5-yl)methylideneamino]pyridine-4-carboxamide