Task: Answer the MCQ question.
Query: Which drug has a -64.767% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CCc1nc(N2CCN(C(=O)c3ccco3)CC2)c2oc3ccccc3c2n1.Cl
b CCCC[C@@H]1CCCO[C@@](C(=O)NCc2ccc(C)o2)(C(F)(F)F)C1
c O=C(O)C(=O)O.c1ccc(COc2ccc(OCCN3CCCCC3)cc2)cc1
Answer: a. CCc1nc(N2CCN(C(=O)c3ccco3)CC2)c2oc3ccccc3c2n1.Cl
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCc1nc(N2CCN(C(=O)c3ccco3)CC2)c2oc3ccccc3c2n1.Cl
CCc1nc(N2CCN(C(=O)c3ccco3)CC2)c2oc3ccccc3c2n1.Cl
[4-(2-ethyl-[1]benzofuro[3,2-d]pyrimidin-4-yl)piperazin-1-yl]-(furan-2-yl)methanone;hydrochloride