Task: Answer the multiple-choice question.
Question: Which compound exhibits a 10.921\% 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: CC1CCN(c2c(NCc3ccc(C(=O)NCc4ccco4)cc3)c(=O)c2=O)CC1
b: Cc1ccc(SC(C)C(=O)NCc2cccnc2)cc1
c: CC1(c2ccccc2)NC(=O)N(CC(=O)N2CCN(S(=O)(=O)c3cccc([N+](=O)[O-])c3)CC2)C1=O
d: CC(C)(C)OC(=O)NCCCCCNC(=O)c1[nH]cnc1C(=O)NC1CCN(C(=O)OC(C)(C)C)CC1
e: C/C=C(\C)C(=O)Nc1cccc(C2=NOC3(C2)C[C@@H](C(N)=O)N(C(=O)c2cc([N+](=O)[O-])cc([N+](=O)[O-])c2C)C3)c1
Answer: c. CC1(c2ccccc2)NC(=O)N(CC(=O)N2CCN(S(=O)(=O)c3cccc([N+](=O)[O-])c3)CC2)C1=O
{#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#}
CC1(c2ccccc2)NC(=O)N(CC(=O)N2CCN(S(=O)(=O)c3cccc([N+](=O)[O-])c3)CC2)C1=O
CC1(c2ccccc2)NC(=O)N(CC(=O)N2CCN(S(=O)(=O)c3cccc([N+](=O)[O-])c3)CC2)C1=O
5-methyl-3-[2-[4-(3-nitrophenyl)sulfonylpiperazin-1-yl]-2-oxoethyl]-5-phenylimidazolidine-2,4-dione