Task: Answer the multiple-choice question.
Query: Which drug exhibits a 21.023\% 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) COc1ccc(CN(Cc2ccc(C(=O)O)cc2)C(=S)Nc2cccc(C)c2)cc1OC
b) Cc1cc(C)nc(-n2nc(C)c(C3(O)C(=O)Nc4ccccc43)c2N)n1
c) CCOc1ccc(NS(=O)(=O)c2ccc(C(=O)NCC(c3ccc(OC)cc3)N3CCCC3)cc2)cc1
d) CCOC(=O)CNC(=O)CSc1nc2ncc(Br)cc2[nH]1
Answer: a. COc1ccc(CN(Cc2ccc(C(=O)O)cc2)C(=S)Nc2cccc(C)c2)cc1OC
{#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(CN(Cc2ccc(C(=O)O)cc2)C(=S)Nc2cccc(C)c2)cc1OC
COc1ccc(CN(Cc2ccc(C(=O)O)cc2)C(=S)Nc2cccc(C)c2)cc1OC
4-[[(3,4-dimethoxyphenyl)methyl-[(3-methylphenyl)carbamothioyl]amino]methyl]benzoic acid