Task: Answer the MCQ question.
Query: Which compound exhibits a 4.029\% 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, b, c, or d without using any additional words.
Options:
a. O=S(=O)(c1ccc(Cl)cc1)n1ccc2cccnc21
b. COc1ccc(CN2CCNC(=O)C2CC(=O)NCCCn2cccn2)c(OC)c1
c. COc1ccc2c(c1)n([O-])c1c([n+]2=O)CCC1
d. O=C(C1=C(O)C(=O)N(CCN2CCOCC2)C1c1ccc(F)cc1)c1cccs1
Answer: c. COc1ccc2c(c1)n([O-])c1c([n+]2=O)CCC1
{#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#}
COc1ccc2c(c1)n([O-])c1c([n+]2=O)CCC1
COc1ccc2c(c1)n([O-])c1c([n+]2=O)CCC1
6-methoxy-4-oxido-2,3-dihydro-1H-cyclopenta[b]quinoxalin-9-ium 9-oxide