Task: Answer the multiple choice question.
Question: Which compound exhibits a 5.250\% 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 other words.
Options:
a) Nc1nnc(SCC(=O)OCC(=O)c2ccccc2)s1
b) Cc1nc(N)[nH]c(=O)c1CC(=O)OCCCl
c) Cc1cc(C)c(S(=O)(=O)N2CCOC2CNC(=O)C(=O)NCc2ccco2)c(C)c1
d) COc1ccc(OCCC(=O)OCC(=O)NCCC2=CCCCC2)cc1
Answer: a. Nc1nnc(SCC(=O)OCC(=O)c2ccccc2)s1
{#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#}
Nc1nnc(SCC(=O)OCC(=O)c2ccccc2)s1
Nc1nnc(SCC(=O)OCC(=O)c2ccccc2)s1
phenacyl 2-[(5-amino-1,3,4-thiadiazol-2-yl)sulfanyl]acetate