Task: Answer the multiple-choice question.
Question: Which drug has a 5.044\% 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 additional words.
Options:
[a] CC(=O)c1ccc(NC(=O)Nc2ccc([N+](=O)[O-])cc2C)cc1
[b] CN1C(=O)CCC1(O)c1ccccc1
[c] CCN(CCCNC(=O)COc1cc(=O)n(C)c2ccccc12)c1ccccc1
[d] Cc1ccccc1OCC(=O)N/N=C/c1ccc2c(c1)OCCO2
Answer: b. CN1C(=O)CCC1(O)c1ccccc1
{#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#}
CN1C(=O)CCC1(O)c1ccccc1
CN1C(=O)CCC1(O)c1ccccc1
[C][N][C][=Branch1][C][=O][C][C][C][Ring1][=Branch1][Branch1][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1]
5-hydroxy-1-methyl-5-phenylpyrrolidin-2-one