Task: Answer the MCQ question.
Query: Which drug exhibits a 7.055\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: CCCCNS(=O)(=O)c1ccc2nc(SCC(=O)c3ccccc3OC)[nH]c2c1
b: Nc1cc(Cl)ccc1Oc1ccccc1
c: COc1ccc(CCCc2nnc(SCC(=O)Nc3ncc(C)s3)o2)cc1
d: CCCCCCCCCc1nc2sc3c(c2c(=O)n1NC(=O)c1ccccc1[N+](=O)[O-])CC(C)(C)OC3
Answer: a. CCCCNS(=O)(=O)c1ccc2nc(SCC(=O)c3ccccc3OC)[nH]c2c1
{#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#}
CCCCNS(=O)(=O)c1ccc2nc(SCC(=O)c3ccccc3OC)[nH]c2c1
CCCCNS(=O)(=O)c1ccc2nc(SCC(=O)c3ccccc3OC)[nH]c2c1
[C][C][C][C][N][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][N][=C][Branch1][P][S][C][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][NH1][C][Ring1][P][=C][Ring2][Ring1][Branch1]
N-butyl-2-[2-(2-methoxyphenyl)-2-oxoethyl]sulfanyl-3H-benzimidazole-5-sulfonamide