Task: Answer the MCQ question.
Query: Which compound exhibits a 8.551\% 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 additional words.
Options:
(a) COC1=NS(=O)(=O)c2ccccc21
(b) COc1cccc(/C=N\NC(=O)c2ccc(Cn3cc(Br)c([N+](=O)[O-])n3)o2)c1O
(c) CN(C)C(=O)c1cc2cc(Br)ccc2s1
(d) CCOc1cc(C)c(Cl)cc1S(=O)(=O)N(CC)CC
Answer: d. CCOc1cc(C)c(Cl)cc1S(=O)(=O)N(CC)CC
{#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#}
CCOc1cc(C)c(Cl)cc1S(=O)(=O)N(CC)CC
CCOc1cc(C)c(Cl)cc1S(=O)(=O)N(CC)CC
5-chloro-2-ethoxy-N,N-diethyl-4-methylbenzenesulfonamide