Problem statement: Answer the MCQ question.
Query: Which compound has a 2.625\% 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) Cc1nc2ccccc2c(=O)n1CCCN1CCOCC1
(b) O=C(CSc1nc(Nc2ccccc2)nc(N2CCOCC2)n1)N1CCCC1
(c) Cc1cc2ncn(C3CC(=O)N(Cc4ccc(N5CCCC5=O)cc4)C3=O)c2cc1C
(d) COc1ccc(S(=O)(=O)N2CCN(Cc3cccc([N+](=O)[O-])c3)CC2)cc1
Answer: d. COc1ccc(S(=O)(=O)N2CCN(Cc3cccc([N+](=O)[O-])c3)CC2)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#}
COc1ccc(S(=O)(=O)N2CCN(Cc3cccc([N+](=O)[O-])c3)CC2)cc1
COc1ccc(S(=O)(=O)N2CCN(Cc3cccc([N+](=O)[O-])c3)CC2)cc1
1-(4-methoxyphenyl)sulfonyl-4-[(3-nitrophenyl)methyl]piperazine