Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 9.753\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] Cc1cccc(-n2nnnc2SCc2csc(-c3ccccc3)n2)c1
[b] CC(C)CNC(=O)c1cccc(C(=O)NCC(C)C)c1
[c] COc1ccc(NS(=O)(=O)c2ccc(F)c(Cl)c2)cn1
[d] O=c1c(-c2cccc3ccccc23)[n+]([O-])c2ccccc2n1O
Answer: d. O=c1c(-c2cccc3ccccc23)[n+]([O-])c2ccccc2n1O
{#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=c1c(-c2cccc3ccccc23)[n+]([O-])c2ccccc2n1O
O=c1c(-c2cccc3ccccc23)[n+]([O-])c2ccccc2n1O
[O][=C][C][Branch1][#C][C][=C][C][=C][C][=C][C][=C][C][=C][Ring1][#Branch2][Ring1][=Branch1][=N+1][Branch1][C][O-1][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Ring2][Ring1][Branch1][O]
3-naphthalen-1-yl-1-hydroxy-4-oxidoquinoxalin-4-ium-2-one