Task: Answer the multiple choice question.
Question: Which drug exhibits a 19.631\% 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: CCOC(=O)CC1C(=O)NCCN1C(=O)c1ccc(Cl)cc1
b: Cc1ccc(NC(=O)c2nc[nH]c2C(=O)N[C@@H](C)c2ccccc2)cc1
c: COc1ccc(Nc2nc(N)c([N+](=O)[O-])c(N3CCN(C)CC3)n2)cc1
d: CC(=O)N1C(C(=O)O)Cc2c([nH]c3ccccc23)C1(C)C
Answer: b. Cc1ccc(NC(=O)c2nc[nH]c2C(=O)N[C@@H](C)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#}
Cc1ccc(NC(=O)c2nc[nH]c2C(=O)N[C@@H](C)c2ccccc2)cc1
Cc1ccc(NC(=O)c2nc[nH]c2C(=O)N[C@@H](C)c2ccccc2)cc1
4-N-(4-methylphenyl)-5-N-[(1S)-1-phenylethyl]-1H-imidazole-4,5-dicarboxamide