Task: Answer the multiple choice question.
Query: Which compound exhibits a 18.255\% 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. CCOc1ccc(NC(N)=O)cc1OCC
b. COC(=O)C(C)(C(=O)OC)c1ccccc1[N+](=O)[O-]
c. O=c1cccc2n1C[C@H]1C[C@@H]2CN2CCCC[C@@H]12
d. C[N+]1(CC(=O)Nc2ccc(F)cc2)CCN(C(=O)c2ccco2)CC1.[Cl-]
Answer: d. C[N+]1(CC(=O)Nc2ccc(F)cc2)CCN(C(=O)c2ccco2)CC1.[Cl-]
{#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#}
N-(4-fluorophenyl)-2-[4-(furan-2-carbonyl)-1-methylpiperazin-1-ium-1-yl]acetamide;chloride