Task: Answer the multiple choice question.
Query: Which compound has a 1.775\% human ether-à-go-go related gene (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.) COc1ccc(C(=O)CC(SCC(NC(C)=O)C(=O)O)c2ccc(Cl)cc2)cc1OC
b.) CCNC(=O)CSc1ncnc2sccc12
Answer: b. CCNC(=O)CSc1ncnc2sccc12
{#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#}
CCNC(=O)CSc1ncnc2sccc12
CCNC(=O)CSc1ncnc2sccc12
N-ethyl-2-thieno[2,3-d]pyrimidin-4-ylsulfanylacetamide