Task: Answer the multiple choice question.
Query: Which drug exhibits a -14.740\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) O=C(COc1ccccc1)NNc1nc2c(F)cc(F)cc2s1
b.) Brc1ccc(-n2c(SCc3nc4ccccc4[nH]3)nnc2-c2ccncc2)cc1
Answer: a. O=C(COc1ccccc1)NNc1nc2c(F)cc(F)cc2s1
{#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=C(COc1ccccc1)NNc1nc2c(F)cc(F)cc2s1
O=C(COc1ccccc1)NNc1nc2c(F)cc(F)cc2s1
N'-(4,6-difluoro-1,3-benzothiazol-2-yl)-2-phenoxyacetohydrazide