Task: Answer the multiple-choice question.
Query: Which drug has a 4.194\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COc1cc2[nH]c(=S)n(Cc3cccs3)c(=O)c2cc1OC
b: CN(C)c1ccc(/C=N\NC(=S)SCN2C(=O)C3CCC(C)(C2=O)C3(C)C)cc1
Answer: a. COc1cc2[nH]c(=S)n(Cc3cccs3)c(=O)c2cc1OC
{#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#}
COc1cc2[nH]c(=S)n(Cc3cccs3)c(=O)c2cc1OC
COc1cc2[nH]c(=S)n(Cc3cccs3)c(=O)c2cc1OC
[C][O][C][=C][C][NH1][C][=Branch1][C][=S][N][Branch1][=Branch2][C][C][=C][C][=C][S][Ring1][Branch1][C][=Branch1][C][=O][C][=Ring1][=C][C][=C][Ring2][Ring1][C][O][C]
6,7-dimethoxy-2-sulfanylidene-3-(thiophen-2-ylmethyl)-1H-quinazolin-4-one