Task: Answer the MCQ question.
Query: Which compound exhibits a 19.321\% human ether-à-go-go related gene (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: O=C(NC1CCCC1)C(c1ccsc1)N(C(=O)Cc1cccs1)c1cccc(F)c1
b: CCC(C)NC(=O)Cn1cnc2sc(C)c(S(=O)(=O)N3CCN(c4ccccc4OC)CC3)c2c1=O
c: CCOC(=O)N1CCN(C(=S)NC(=O)c2nn(C)cc2Br)CC1
d: Cc1ccc(-n2ncc3c2CC(C)(C)CC3NC(=O)c2ccc[n+]([O-])c2)cc1
Answer: a. O=C(NC1CCCC1)C(c1ccsc1)N(C(=O)Cc1cccs1)c1cccc(F)c1
{#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(NC1CCCC1)C(c1ccsc1)N(C(=O)Cc1cccs1)c1cccc(F)c1
O=C(NC1CCCC1)C(c1ccsc1)N(C(=O)Cc1cccs1)c1cccc(F)c1
N-cyclopentyl-2-(3-fluoro-N-(2-thiophen-2-ylacetyl)anilino)-2-thiophen-3-ylacetamide