Task: Answer the multiple choice question.
Question: Which compound has a -0.309\% 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] CCN(CC)S(=O)(=O)c1ccc(-c2nnc(SCC(=O)Nc3ccc(OC)c(OC)c3)o2)cc1
[b] Cc1ccc(NC(=O)Cn2c([N+](=O)[O-])cnc2C)cc1
[c] N#CCCN1CCN(S(=O)(=O)c2ccc(S(=O)(=O)NC3CCCC3)cc2)CC1
Answer: c. N#CCCN1CCN(S(=O)(=O)c2ccc(S(=O)(=O)NC3CCCC3)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-cyclopentylbenzenesulfonamide