Problem statement: Answer the MCQ question.
Query: Which compound has a 2.672\% 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 CCOC(=O)c1cnc(-n2nc(C)cc2C)nc1Nc1ccc(O)cc1
b CCOC(=O)c1nsnc1NCCCl
c Fc1cccc(NC(=S)NCc2ccccc2Cl)c1
d O=C(ON=C1CCSCC1)c1ccccc1
Answer: b. CCOC(=O)c1nsnc1NCCCl
{#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#}
CCOC(=O)c1nsnc1NCCCl
CCOC(=O)c1nsnc1NCCCl
ethyl4-(2-chloroethylamino)-1,2,5-thiadiazole-3-carboxylate