Problem statement: Answer the multiple-choice question.
Query: Which compound has a 10.186\% 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) CCOC(=O)C1(CCOc2ccccc2)CCN(C(=O)c2ccc(-n3cccn3)cc2)CC1
(b) COc1ccccc1CN1C[C@@H]2C[C@@H](c3ccccc3OC)N3CCC[C@@]23C1=O
(c) CC1=C(C(=O)OC(C)C)C(c2cccc([N+](=O)[O-])c2)n2c(cc(=O)[nH]c2=S)N1
(d) O=C(COc1ccc(Cl)cc1Br)Nc1cccc(S(=O)(=O)N2CCCC2)c1
Answer: c. CC1=C(C(=O)OC(C)C)C(c2cccc([N+](=O)[O-])c2)n2c(cc(=O)[nH]c2=S)N1
{#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#}
CC1=C(C(=O)OC(C)C)C(c2cccc([N+](=O)[O-])c2)n2c(cc(=O)[nH]c2=S)N1
CC1=C(C(=O)OC(C)C)C(c2cccc([N+](=O)[O-])c2)n2c(cc(=O)[nH]c2=S)N1
propan-2-yl 2-methyl-4-(3-nitrophenyl)-8-oxo-6-sulfanylidene-1,4-dihydropyrimido[1,2-c]pyrimidine-3-carboxylate