Task: Answer the multiple choice question.
Question: Which drug exhibits a 2.254\% 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. COCCNC(=O)C(c1ccc(F)cc1)N(C(=O)CCC(=O)Nc1nccs1)c1cccc(C)c1
b. CCn1cc([N+](=O)[O-])c(C(=O)Nc2ccn(C34CC5CC(CC(C5)C3)C4)n2)n1
c. CCc1nnc(NC(=O)C2CCCCC2)s1
d. CC1CN(c2ccc([N+](=O)[O-])cc2C(=O)N2CCOCC2)CC(C)N1
e. N#C/C(=C\c1cccc(OCc2ccccc2)c1)C(=O)NCCc1ccccc1
Answer: d. CC1CN(c2ccc([N+](=O)[O-])cc2C(=O)N2CCOCC2)CC(C)N1
{#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#}
CC1CN(c2ccc([N+](=O)[O-])cc2C(=O)N2CCOCC2)CC(C)N1
CC1CN(c2ccc([N+](=O)[O-])cc2C(=O)N2CCOCC2)CC(C)N1
[2-(3,5-dimethylpiperazin-1-yl)-5-nitrophenyl]-morpholin-4-ylmethanone