Task: Answer the MCQ question.
Query: Which compound exhibits a 19.685\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COc1cc(OC)cc(C(=O)Nc2ccn(C)n2)c1
b. COCCNC(=O)c1c(NC(=O)c2nc(SC)ncc2Cl)sc2c1CCCC2
c. O=C(NNC(=S)Nc1cccc(C(F)(F)F)c1)c1ccccc1Cl
Answer: b. COCCNC(=O)c1c(NC(=O)c2nc(SC)ncc2Cl)sc2c1CCCC2
{#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#}
COCCNC(=O)c1c(NC(=O)c2nc(SC)ncc2Cl)sc2c1CCCC2
COCCNC(=O)c1c(NC(=O)c2nc(SC)ncc2Cl)sc2c1CCCC2
5-chloro-N-[3-(2-methoxyethylcarbamoyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]-2-methylsulfanylpyrimidine-4-carboxamide