Task: Answer the multiple-choice question.
Question: Which compound has a 6.139\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a O=[N+]([O-])c1ccccc1S(=O)(=O)N1CCN(Cc2ccccc2)CC1
b Nc1cccc(-c2nc3ccccc3s2)c1
c O=C(CNS(=O)(=O)c1cccs1)NCCc1ccc(Cl)cc1
d O=C(N/N=C/c1ccccn1)c1ccc(S(=O)(=O)N2CCCCCC2)cc1
Answer: a. O=[N+]([O-])c1ccccc1S(=O)(=O)N1CCN(Cc2ccccc2)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#}
O=[N+]([O-])c1ccccc1S(=O)(=O)N1CCN(Cc2ccccc2)CC1
O=[N+]([O-])c1ccccc1S(=O)(=O)N1CCN(Cc2ccccc2)CC1
1-benzyl-4-(2-nitrophenyl)sulfonylpiperazine