Problem statement: Answer the multiple-choice question.
Query: Which compound has a 1.916\% 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 other words.
Options:
[a] COc1cccc(C2CC(C(F)(F)F)n3ncc(C(=O)NC(C)(C)C)c3N2)c1
[b] CCOc1ccc(-c2cc(C)[n+](CCO)c(-c3ccc(OCC)cc3)c2)cc1.[O-][Cl+3]([O-])([O-])[O-]
Answer: b. CCOc1ccc(-c2cc(C)[n+](CCO)c(-c3ccc(OCC)cc3)c2)cc1.[O-][Cl+3]([O-])([O-])[O-]
{#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(-c2cc(C)[n+](CCO)c(-c3ccc(OCC)cc3)c2)cc1.[O-][Cl+3]([O-])([O-])[O-]
CCOc1ccc(-c2cc(C)[n+](CCO)c(-c3ccc(OCC)cc3)c2)cc1.[O-][Cl+3]([O-])([O-])[O-]
2-[2,4-bis(4-ethoxyphenyl)-6-methylpyridin-1-ium-1-yl]ethanol;perchlorate