Problem statement: Answer the multiple choice question.
Query: Which compound has a 16.487\% 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.) CCCC(=O)Nc1ccc2nc(SCC(=O)Nc3ccc(N4CCOCC4)c(Cl)c3)sc2c1
b.) Cc1cc(C)c2c(=O)n(CC(=O)NCCCN3CCN(c4ccccc4F)CC3)sc2n1
c.) O=C1NC(=O)C2(COC(c3cccc([N+](=O)[O-])c3)OC2)S1
d.) CCCSc1nnc(N)s1
Answer: c. O=C1NC(=O)C2(COC(c3cccc([N+](=O)[O-])c3)OC2)S1
{#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=C1NC(=O)C2(COC(c3cccc([N+](=O)[O-])c3)OC2)S1
O=C1NC(=O)C2(COC(c3cccc([N+](=O)[O-])c3)OC2)S1
8-(3-nitrophenyl)-7,9-dioxa-1-thia-3-azaspiro[4.5]decane-2,4-dione