Task: Answer the MCQ question.
Question: Which compound exhibits a 13.393\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a.) CCC(=O)Nc1nnc(S(=O)(=O)N(C)c2cc(C)cc(C)c2)s1
b.) CCOc1ccccc1NC(=O)NC1CC2CCCC(C1)N2Cc1nnnn1CCc1ccccc1
c.) O=c1oc2ccccc2c(Nc2ccc(F)cc2)c1[N+](=O)[O-]
d.) CCN1C[C@@]2(COC)C3[C@@H](OC)[C@H]4[C@@H]1[C@@]3(C1C[C@H]3[C@H](O)C1[C@]4(O)C[C@H]3OC)[C@@H](OC)C[C@H]2O
e.) COc1ccc(Br)cc1CN(C)C(=O)Cc1ccc(OC)c(S(=O)(=O)N2CCOCC2)c1
Answer: b. CCOc1ccccc1NC(=O)NC1CC2CCCC(C1)N2Cc1nnnn1CCc1ccccc1
{#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#}
CCOc1ccccc1NC(=O)NC1CC2CCCC(C1)N2Cc1nnnn1CCc1ccccc1
CCOc1ccccc1NC(=O)NC1CC2CCCC(C1)N2Cc1nnnn1CCc1ccccc1
1-(2-ethoxyphenyl)-3-[9-[[1-(2-phenylethyl)tetrazol-5-yl]methyl]-9-azabicyclo[3.3.1]nonan-3-yl]urea