Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 6.511\% 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, d, or e without using any other words.
Options:
a. COc1cccc(CCc2nnc(CCC(=O)N(C)C3CC(C)(C)NC(C)(C)C3)o2)c1
b. COc1ccc(Br)cc1CN(C)C(=O)Cc1c[nH]c2ccccc12
c. CCCn1c(SCC(=O)Nc2nc3c(s2)CCCC3)nc2c1c(=O)n(C)c(=O)n2C
d. CCc1ccc(Nc2c([N+](=O)[O-])c(=O)oc3ccccc23)cc1
e. O=C(C1CCN(S(=O)(=O)c2ccc3c(c2)OCCO3)CC1)N1CCc2ccccc21
Answer: b. COc1ccc(Br)cc1CN(C)C(=O)Cc1c[nH]c2ccccc12
{#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#}
COc1ccc(Br)cc1CN(C)C(=O)Cc1c[nH]c2ccccc12
COc1ccc(Br)cc1CN(C)C(=O)Cc1c[nH]c2ccccc12
N-[(5-bromo-2-methoxyphenyl)methyl]-2-(1H-indol-3-yl)-N-methylacetamide