Problem statement: Answer the MCQ question.
Query: Which drug has a 8.158\% 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(COC(=O)c1c2c(nc3ccccc13)/C(=C\c1cccs1)CCC2)Nc1ccccc1Cl
b: CCOc1cc(N2CCOCC2)c(OCC)cc1NC(=O)CSc1cccc[n+]1[O-]
Answer: a. O=C(COC(=O)c1c2c(nc3ccccc13)/C(=C\c1cccs1)CCC2)Nc1ccccc1Cl
{#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(COC(=O)c1c2c(nc3ccccc13)/C(=C\c1cccs1)CCC2)Nc1ccccc1Cl
O=C(COC(=O)c1c2c(nc3ccccc13)/C(=C\c1cccs1)CCC2)Nc1ccccc1Cl
[2-(2-chloroanilino)-2-oxoethyl] (4Z)-4-(thiophen-2-ylmethylidene)-2,3-dihydro-1H-acridine-9-carboxylate