Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 16.685\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CCOC(=O)CN1C(=O)N[C@@H](CCc2ccccc2)[C@H](C(=O)OC)[C@H]1C
b O=C(CN1CC(=O)Nc2ccccc21)Nc1ccc(F)c(F)c1
c Cc1cccc(C(=O)N(CCCN(C)C)c2nc(CC(=O)Nc3ccc(Cl)cc3)cs2)c1.Cl
Answer: a. CCOC(=O)CN1C(=O)N[C@@H](CCc2ccccc2)[C@H](C(=O)OC)[C@H]1C
{#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#}
CCOC(=O)CN1C(=O)N[C@@H](CCc2ccccc2)[C@H](C(=O)OC)[C@H]1C
CCOC(=O)CN1C(=O)N[C@@H](CCc2ccccc2)[C@H](C(=O)OC)[C@H]1C
methyl(4S,5S,6R)-1-(2-ethoxy-2-oxoethyl)-6-methyl-2-oxo-4-(2-phenylethyl)-1,3-diazinane-5-carboxylate