Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 1.679\% 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] CCCOC(=O)c1ccc(-[n+]2c(-c3ccccc3)cc(-c3ccccc3)cc2-c2ccccc2)cc1.[O-][Cl+3]([O-])([O-])[O-]
[b] O=C(N/N=C/c1cccc([N+](=O)[O-])c1)c1ccc(COc2ccccc2-c2ccccc2)cc1
[c] O=C(Cn1ncc2c([nH]c3ccccc32)c1=O)N1CCOCC1
[d] CCOc1ccc(NC(=O)c2sc3nc(N4CCOCC4)c4c(c3c2N)CC(C)(C)OC4)cc1
Answer: b. O=C(N/N=C/c1cccc([N+](=O)[O-])c1)c1ccc(COc2ccccc2-c2ccccc2)cc1
{#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(N/N=C/c1cccc([N+](=O)[O-])c1)c1ccc(COc2ccccc2-c2ccccc2)cc1
O=C(N/N=C/c1cccc([N+](=O)[O-])c1)c1ccc(COc2ccccc2-c2ccccc2)cc1
N-[(E)-(3-nitrophenyl)methylideneamino]-4-[(2-phenylphenoxy)methyl]benzamide