Task: Answer the MCQ question.
Query: Which drug exhibits a -5.487\% 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 additional words.
Options:
[a] COc1cc(NC(=O)c2c3c(nc4ccccc24)CCC3)cc(OC)c1
[b] COC(CNC(=O)c1ccc2c(c1)ncn2-c1ccc(F)c(F)c1)OC
Answer: b. COC(CNC(=O)c1ccc2c(c1)ncn2-c1ccc(F)c(F)c1)OC
{#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#}
COC(CNC(=O)c1ccc2c(c1)ncn2-c1ccc(F)c(F)c1)OC
COC(CNC(=O)c1ccc2c(c1)ncn2-c1ccc(F)c(F)c1)OC
1-(3,4-difluorophenyl)-N-(2,2-dimethoxyethyl)benzimidazole-5-carboxamide