Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 1.305\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) O=C(c1cccs1)N(C(=O)c1cccs1)c1ccc(Br)cn1
b.) O=C(NCCCN1CCOCC1)c1ccc2c(c1)N(Cc1ccc(F)cc1)CCS2
Answer: a. O=C(c1cccs1)N(C(=O)c1cccs1)c1ccc(Br)cn1
{#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(c1cccs1)N(C(=O)c1cccs1)c1ccc(Br)cn1
O=C(c1cccs1)N(C(=O)c1cccs1)c1ccc(Br)cn1
N-(5-bromopyridin-2-yl)-N-(thiophene-2-carbonyl)thiophene-2-carboxamide