Task: Answer the multiple choice question.
Query: Which drug exhibits a 1.643\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOc1ccc(S(=O)(=O)N(CC)CC)cc1N
b. NS(=O)(=O)c1ccc(CCNC(=O)CCCNC(=O)c2ccc(Cl)cc2)cc1
Answer: a. CCOc1ccc(S(=O)(=O)N(CC)CC)cc1N
{#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#}
CCOc1ccc(S(=O)(=O)N(CC)CC)cc1N
CCOc1ccc(S(=O)(=O)N(CC)CC)cc1N
3-amino-4-ethoxy-N,N-diethylbenzenesulfonamide