Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -14.538\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) CCCCn1c(N)c(N(CC(C)C)C(=O)CSCc2c(C)noc2C)c(=O)[nH]c1=O
b.) CCN(CC)S(=O)(=O)c1cc(Br)c(C)cc1OC
Answer: b. CCN(CC)S(=O)(=O)c1cc(Br)c(C)cc1OC
{#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#}
CCN(CC)S(=O)(=O)c1cc(Br)c(C)cc1OC
CCN(CC)S(=O)(=O)c1cc(Br)c(C)cc1OC
[C][C][N][Branch1][Ring1][C][C][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][Branch1][C][Br][=C][Branch1][C][C][C][=C][Ring1][Branch2][O][C]
5-bromo-N,N-diethyl-2-methoxy-4-methylbenzenesulfonamide