Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 2.469\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a O=C(c1cc2cc(Cl)ccc2[nH]1)N1CCC2(CC1)OCCO2
b O=C(O)c1ccc2ncc(NC(=O)c3ccc(F)cc3)c(=O)n2c1
Answer: a. O=C(c1cc2cc(Cl)ccc2[nH]1)N1CCC2(CC1)OCCO2
{#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#}
O=C(c1cc2cc(Cl)ccc2[nH]1)N1CCC2(CC1)OCCO2
O=C(c1cc2cc(Cl)ccc2[nH]1)N1CCC2(CC1)OCCO2
(5-chloro-1H-indol-2-yl)-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)methanone