Task: Answer the MCQ question.
Question: Which compound exhibits a -5.321\% 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. CCNCc1ccc(OCc2cccs2)c(OCC)c1
b. Cc1c(NC2(c3nnnn3-c3ccc(Br)cc3)CCCCC2)c(=O)n(-c2ccccc2)n1C
c. CC(C)CN1CCNC(=O)C1CC(=O)N(C)CC1CCOCC1
d. O=C(COC(=O)CNC(=O)c1ccc(Cl)cc1)Nc1cccc(S(=O)(=O)N2CCCC2)c1
Answer: d. O=C(COC(=O)CNC(=O)c1ccc(Cl)cc1)Nc1cccc(S(=O)(=O)N2CCCC2)c1
{#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#}
O=C(COC(=O)CNC(=O)c1ccc(Cl)cc1)Nc1cccc(S(=O)(=O)N2CCCC2)c1
O=C(COC(=O)CNC(=O)c1ccc(Cl)cc1)Nc1cccc(S(=O)(=O)N2CCCC2)c1
4-chloro-N-[2-oxo-2-[2-oxo-2-(3-pyrrolidin-1-ylsulfonylanilino)ethoxy]ethyl]benzamide