Problem statement: Answer the MCQ question.
Query: Which compound has a -1.578\% 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 additional words.
Options:
a COc1ccc(C2=CC(c3c(C)nn(-c4ccccc4)c3Cl)n3nnnc3N2)cc1OC
b CC1CCCN(C(=O)COc2ccc3c(c2)OCO3)C1
c O=C(N1CCOCC1)N1CCN(S(=O)(=O)N2CCCCC2)CC1
d COc1ccc(C2c3[nH]c4ccccc4c3CCN2Cc2cccn2-c2ncccn2)cc1C
e CCc1ccc(N2CC(C(=O)Nc3nnc(CC)s3)CC2=O)cc1
Answer: c. O=C(N1CCOCC1)N1CCN(S(=O)(=O)N2CCCCC2)CC1
{#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#}
morpholin-4-yl-(4-piperidin-1-ylsulfonylpiperazin-1-yl)methanone