Task: Answer the multiple choice question.
Question: Which compound exhibits a 13.628\% 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 CC(C)Cc1nc(N2CCOCC2)c(C#N)c2c1CCC2
b CN1CCN(CCNC(=O)c2cc3c(=O)n(C)c4ccccc4c3n2C)CC1
c Cc1cc(Br)cc(C)c1OCCCCN(C)C.O=C(O)C(=O)O
d COc1ccc(Br)cc1C(=O)O
Answer: b. CN1CCN(CCNC(=O)c2cc3c(=O)n(C)c4ccccc4c3n2C)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#}
CN1CCN(CCNC(=O)c2cc3c(=O)n(C)c4ccccc4c3n2C)CC1
CN1CCN(CCNC(=O)c2cc3c(=O)n(C)c4ccccc4c3n2C)CC1
[C][N][C][C][N][Branch2][Ring2][C][C][C][N][C][=Branch1][C][=O][C][=C][C][C][=Branch1][C][=O][N][Branch1][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Ring1][N][N][Ring1][#C][C][C][C][Ring2][Ring1][O]
1,5-dimethyl-N-[2-(4-methylpiperazin-1-yl)ethyl]-4-oxopyrrolo[3,2-c]quinoline-2-carboxamide