Task: Answer the multiple-choice question.
Query: Which drug exhibits a 17.381\% 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 additional words.
Options:
a. O=C(CCN1C(=O)c2ccccc2C1=O)OCn1nnc2ccccc2c1=O
b. COc1ccc(NC(=O)Nc2ccc(N(C)C)cc2)cc1
c. Cn1cc(/C=N/NC(=O)c2cccc([N+](=O)[O-])c2)c2ccccc21
d. C=CCc1cccc2cc(C(=O)N3CCN(c4ccccn4)CC3)c(=O)oc12
Answer: b. COc1ccc(NC(=O)Nc2ccc(N(C)C)cc2)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#}
COc1ccc(NC(=O)Nc2ccc(N(C)C)cc2)cc1
COc1ccc(NC(=O)Nc2ccc(N(C)C)cc2)cc1
[C][O][C][=C][C][=C][Branch2][Ring1][=Branch1][N][C][=Branch1][C][=O][N][C][=C][C][=C][Branch1][=Branch1][N][Branch1][C][C][C][C][=C][Ring1][=Branch2][C][=C][Ring2][Ring1][Ring1]
1-[4-(dimethylamino)phenyl]-3-(4-methoxyphenyl)urea