Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 4.220\% 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 O=C(NCCCCNC(=O)c1ccc(Br)s1)c1ccc(Br)s1
b COc1ccc(NC(=O)C(C)N2c3cccc4cccc(c34)S2(=O)=O)c(OC)c1
Answer: a. O=C(NCCCCNC(=O)c1ccc(Br)s1)c1ccc(Br)s1
{#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(NCCCCNC(=O)c1ccc(Br)s1)c1ccc(Br)s1
O=C(NCCCCNC(=O)c1ccc(Br)s1)c1ccc(Br)s1
5-bromo-N-[4-[(5-bromothiophene-2-carbonyl)amino]butyl]thiophene-2-carboxamide