Task: Answer the MCQ question.
Question: Which compound exhibits a 19.771\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CCOc1ccc(C(=O)N2CCC3(CC2)NCCc2[nH]cnc23)cc1OCC
b Nc1cc(Cl)nc(N/N=C/c2c(O)ccc3ccccc23)n1
Answer: a. CCOc1ccc(C(=O)N2CCC3(CC2)NCCc2[nH]cnc23)cc1OCC
{#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#}
CCOc1ccc(C(=O)N2CCC3(CC2)NCCc2[nH]cnc23)cc1OCC
CCOc1ccc(C(=O)N2CCC3(CC2)NCCc2[nH]cnc23)cc1OCC
(3,4-diethoxyphenyl)-spiro[1,5,6,7-tetrahydroimidazo[4,5-c]pyridine-4,4'-piperidine]-1'-ylmethanone