Task: Answer the MCQ question.
Query: Which drug exhibits a 14.889\% 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 additional words.
Options:
a. Cn1c(=O)oc2cc(S(=O)(=O)Nc3cccc([N+](=O)[O-])c3)ccc21
b. COc1ccc(OC)c2[nH]c(=O)c(CCNC(=O)c3ccc4c(c3)OCO4)cc12
c. O=C(NCc1ccco1)C(=O)c1cn(CC(=O)N2CCCCC2)c2ccccc12
d. O=C1NC2=C(C(=O)c3ccccc32)C(c2ccccc2)N1
Answer: a. Cn1c(=O)oc2cc(S(=O)(=O)Nc3cccc([N+](=O)[O-])c3)ccc21
{#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#}
Cn1c(=O)oc2cc(S(=O)(=O)Nc3cccc([N+](=O)[O-])c3)ccc21
Cn1c(=O)oc2cc(S(=O)(=O)Nc3cccc([N+](=O)[O-])c3)ccc21
3-methyl-N-(3-nitrophenyl)-2-oxo-1,3-benzoxazole-6-sulfonamide