Task: Answer the MCQ question.
Query: Which compound exhibits a 0.957\% 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 other words.
Options:
a CN(c1ccc(OCC(=O)N2CCCC2)cc1)S(=O)(=O)c1ccc(Cl)cc1
b COc1ccc(S(N)(=O)=O)cc1C(=O)NCCCN1CCN(c2cccc(Cl)c2)CC1.CS(=O)(=O)O
Answer: a. CN(c1ccc(OCC(=O)N2CCCC2)cc1)S(=O)(=O)c1ccc(Cl)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#}
CN(c1ccc(OCC(=O)N2CCCC2)cc1)S(=O)(=O)c1ccc(Cl)cc1
CN(c1ccc(OCC(=O)N2CCCC2)cc1)S(=O)(=O)c1ccc(Cl)cc1
4-chloro-N-methyl-N-[4-(2-oxo-2-pyrrolidin-1-ylethoxy)phenyl]benzenesulfonamide