Task: Answer the MCQ question.
Query: Which drug exhibits a -18.613\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) COC(=O)c1c(C)[nH]c(C(=O)OCC(=O)NCC(C)C)c1C
(b) S=C(NCc1ccco1)Nc1cc(-c2ccccc2)[nH]n1
(c) CCOc1c(C)cnc2c1c(=O)n(Cc1ccccc1Cl)c(=O)n2C
(d) COCCN(Cc1cccs1)S(=O)(=O)c1ccc(-c2ccc(=O)[nH]n2)s1
(e) CC(=O)C1=C(C)NC(=S)NC1c1cccc([N+](=O)[O-])c1
Answer: d. COCCN(Cc1cccs1)S(=O)(=O)c1ccc(-c2ccc(=O)[nH]n2)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#}
COCCN(Cc1cccs1)S(=O)(=O)c1ccc(-c2ccc(=O)[nH]n2)s1
COCCN(Cc1cccs1)S(=O)(=O)c1ccc(-c2ccc(=O)[nH]n2)s1
N-(2-methoxyethyl)-5-(6-oxo-1H-pyridazin-3-yl)-N-(thiophen-2-ylmethyl)thiophene-2-sulfonamide