Task: Answer the MCQ question.
Question: Which compound exhibits a 4.423\% 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, c, or d without using any additional words.
Options:
(a) CC(NC(=O)c1ccc(Br)o1)c1ccccc1
(b) COc1cccc(NC(=O)CSc2nnc(NC(=O)c3ccco3)s2)c1
(c) Cc1ccc(C)c(S(=O)(=O)N2CCN(C(=O)C(C)Sc3ccccc3)CC2)c1
(d) c1ccc2c(c1)nnn2-c1ncnc2sccc12
Answer: d. c1ccc2c(c1)nnn2-c1ncnc2sccc12
{#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#}
c1ccc2c(c1)nnn2-c1ncnc2sccc12
c1ccc2c(c1)nnn2-c1ncnc2sccc12
4-(benzotriazol-1-yl)thieno[2,3-d]pyrimidine