Task: Answer the MCQ question.
Question: Which compound has a 2.545\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a CCN1CCc2c(sc(NC(=O)C3COc4ccccc4O3)c2C(N)=O)C1.Cl
b CN1C(=O)S/C(=C\c2ccccc2OCc2ccc(C(=O)O)cc2)C1=O
c Cc1cccc(NC(=O)c2cc([N+](=O)[O-])ccc2NCC2CCCO2)n1
d O=C(c1cc([N+](=O)[O-])ccc1N1CCOCC1)N1CCOCC1
e CN1CCN(CC(=O)Nc2cccc([N+](=O)[O-])c2)CC1
Answer: a. CCN1CCc2c(sc(NC(=O)C3COc4ccccc4O3)c2C(N)=O)C1.Cl
{#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#}
CCN1CCc2c(sc(NC(=O)C3COc4ccccc4O3)c2C(N)=O)C1.Cl
CCN1CCc2c(sc(NC(=O)C3COc4ccccc4O3)c2C(N)=O)C1.Cl
2-(2,3-dihydro-1,4-benzodioxine-3-carbonylamino)-6-ethyl-5,7-dihydro-4H-thieno[2,3-c]pyridine-3-carboxamide;hydrochloride