Task: Answer the MCQ question.
Question: Which compound exhibits a 18.693\% 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 additional words.
Options:
a) COC(=O)c1ccc(N2CCN(S(=O)(=O)c3ccc4ccccc4c3)CC2)c([N+](=O)[O-])c1
b) Br.N=c1n(CCN2CCCCC2)c2ccccc2n1CC(=O)c1cccc([N+](=O)[O-])c1
c) CCCCNC(=O)[C@H]1C[C@H]1[C@@H](O)[C@H](CO)NC(=O)[C@@H]1CCCN1C(=O)OC(C)(C)C
d) O=C(/C=C/c1ccc(NC(=O)c2ccccc2-c2ccccc2C(=O)O)cc1)c1ccccc1
Answer: a. COC(=O)c1ccc(N2CCN(S(=O)(=O)c3ccc4ccccc4c3)CC2)c([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#}
COC(=O)c1ccc(N2CCN(S(=O)(=O)c3ccc4ccccc4c3)CC2)c([N+](=O)[O-])c1
COC(=O)c1ccc(N2CCN(S(=O)(=O)c3ccc4ccccc4c3)CC2)c([N+](=O)[O-])c1
methyl 4-(4-naphthalen-2-ylsulfonylpiperazin-1-yl)-3-nitrobenzoate