Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 21.537\% 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 COc1ccc2nc(C)cc(Nc3ccc(C(=O)O)cc3)c2c1
b Cc1cc(=O)[nH]c(SCC(=O)Nc2ncc(S(=O)(=O)c3ccc([N+](=O)[O-])cc3)s2)n1
c CCC1CCCCN1C(=O)COC(=O)c1ccc(Br)o1
d CCCCCC(=O)N1CCCC(c2nc(-c3ccc(OC)cc3)no2)C1
Answer: a. COc1ccc2nc(C)cc(Nc3ccc(C(=O)O)cc3)c2c1
{#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#}
COc1ccc2nc(C)cc(Nc3ccc(C(=O)O)cc3)c2c1
COc1ccc2nc(C)cc(Nc3ccc(C(=O)O)cc3)c2c1
4-[(6-methoxy-2-methylquinolin-4-yl)amino]benzoic acid