Problem statement: Answer the multiple choice question.
Query: Which compound has a 2.891\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCOC(=O)c1ccc(NC(=O)Nc2ccc(S(N)(=O)=O)cc2)cc1
[b] CC(C)Cc1cc(F)ccc1OS(N)(=O)=O
[c] CN(C)S(=O)(=O)c1ccc(S(=O)(=O)N2CCN(CCC#N)CC2)cc1
Answer: c. CN(C)S(=O)(=O)c1ccc(S(=O)(=O)N2CCN(CCC#N)CC2)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#}
4-[4-(2-cyanoethyl)piperazin-1-yl]sulfonyl-N,N-dimethylbenzenesulfonamide