Task: Answer the multiple choice question.
Question: Which compound exhibits a 11.522\% 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, b, or c without using any other words.
Options:
a) CCCCn1c(N)c(N(CCOC)C(=O)c2cnc(C)cn2)c(=O)[nH]c1=O
b) CCOC(=O)N1CCN(c2ncnc3scc(-c4ccccc4)c23)CC1
c) CCOC(=O)C(NC(=O)c1ccc(Cl)cc1Cl)(Nc1ccc(C)cc1)C(F)(F)F
Answer: b. CCOC(=O)N1CCN(c2ncnc3scc(-c4ccccc4)c23)CC1
{#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)N1CCN(c2ncnc3scc(-c4ccccc4)c23)CC1
CCOC(=O)N1CCN(c2ncnc3scc(-c4ccccc4)c23)CC1
ethyl 4-(5-phenylthieno[2,3-d]pyrimidin-4-yl)piperazine-1-carboxylate