Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 5.561\% 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(O)c1cccc(NC(=O)c2ccc3c(c2)C(=O)N(Cc2ccco2)C3=O)c1
b. CCCCNC(=O)CSc1nc2ccc(C)cc2[nH]1
c. CCCCOC(=O)c1[nH]c(C)c(C(=O)OC)c1C
d. COc1ccc(NC(=O)CNC(=O)Cn2cnc3sc(C)c(C)c3c2=O)cc1OC
Answer: b. CCCCNC(=O)CSc1nc2ccc(C)cc2[nH]1
{#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#}
CCCCNC(=O)CSc1nc2ccc(C)cc2[nH]1
CCCCNC(=O)CSc1nc2ccc(C)cc2[nH]1
N-butyl-2-[(6-methyl-1H-benzimidazol-2-yl)sulfanyl]acetamide