Task: Answer the MCQ question.
Query: Which drug exhibits a 1.673\% 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 other words.
Options:
a CCOC(=O)c1c(NC(=O)CSc2nc3c(c(=O)n(C)c(=O)n3C)n2CC)sc(C)c1C
b COC(=O)c1c(NC(=O)CN2C(=O)C(=O)N(CC(C)C)C2=O)sc2c1CCCCC2
c Cl.O=C(NCC(c1cccs1)N1CCOCC1)c1ccccc1NS(=O)(=O)c1cccc([N+](=O)[O-])c1
d O=C(Nc1c2c(nn1-c1ccc(Cl)cc1)CS(=O)(=O)C2)C1CC1
Answer: d. O=C(Nc1c2c(nn1-c1ccc(Cl)cc1)CS(=O)(=O)C2)C1CC1
{#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(Nc1c2c(nn1-c1ccc(Cl)cc1)CS(=O)(=O)C2)C1CC1
O=C(Nc1c2c(nn1-c1ccc(Cl)cc1)CS(=O)(=O)C2)C1CC1
N-[2-(4-chlorophenyl)-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]cyclopropanecarboxamide