Task: Answer the multiple-choice question.
Question: Which compound exhibits a 5.220\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a) O=C(CC1SC(=O)N(Cc2ccccc2Cl)C1=O)Nc1nccs1
b) COc1ccc(CCNC(=O)Nc2cccc([N+](=O)[O-])c2)cc1OC
c) CCC(C)[C@H](NC(=O)OC(C)(C)C)c1nnc(SCc2c(C)[nH]c(=O)[nH]c2=O)o1
d) Cc1ccc(S(=O)(=O)N2CCC(C(=O)Nc3nnc(-c4ccc(F)cc4)s3)CC2)cc1
e) C[C@@H](C(=O)Nc1cccnc1)n1c(=O)[nH]c2ccccc2c1=O
Answer: b. COc1ccc(CCNC(=O)Nc2cccc([N+](=O)[O-])c2)cc1OC
{#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#}
COc1ccc(CCNC(=O)Nc2cccc([N+](=O)[O-])c2)cc1OC
COc1ccc(CCNC(=O)Nc2cccc([N+](=O)[O-])c2)cc1OC
1-[2-(3,4-dimethoxyphenyl)ethyl]-3-(3-nitrophenyl)urea