Task: Answer the multiple choice question.
Question: Which drug exhibits a 13.373\% 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. Nc1cccc(S(=O)(=O)NC2=NCCC2)c1
b. CNc1nc(N)c([N+](=O)[O-])c(Nc2cccc(Cl)c2)n1
c. COc1ccc(NC(=O)C(C)N2c3cccc4cccc(c34)S2(=O)=O)cc1
d. CCCn1nnc(NC(=O)c2ccc(-c3cc(Cl)ccc3Cl)o2)n1
Answer: a. Nc1cccc(S(=O)(=O)NC2=NCCC2)c1
{#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#}
Nc1cccc(S(=O)(=O)NC2=NCCC2)c1
Nc1cccc(S(=O)(=O)NC2=NCCC2)c1
5-amino-N-(3,4-dihydro-2H-pyrrol-5-yl)benzenesulfonamide