Problem statement: Answer the multiple-choice question.
Query: Which compound has a -2.175\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CCCCCn1c(N)c(C(=O)NCc2cccs2)c2nc3ccccc3nc21
b) COc1cc(NC(=O)CN(c2cc(C)cc(C)c2)S(=O)(=O)c2c(C)noc2C)cc(OC)c1
c) CN1CCN(C(=O)c2ccc(COc3ccc(Cl)cc3Cl)cc2)CC1
Answer: a. CCCCCn1c(N)c(C(=O)NCc2cccs2)c2nc3ccccc3nc21
{#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#}
CCCCCn1c(N)c(C(=O)NCc2cccs2)c2nc3ccccc3nc21
CCCCCn1c(N)c(C(=O)NCc2cccs2)c2nc3ccccc3nc21
[C][C][C][C][C][N][C][Branch1][C][N][=C][Branch1][=C][C][=Branch1][C][=O][N][C][C][=C][C][=C][S][Ring1][Branch1][C][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][N][=C][Ring1][#Branch2][Ring2][Ring1][#Branch1]
2-amino-1-pentyl-N-(thiophen-2-ylmethyl)pyrrolo[3,2-b]quinoxaline-3-carboxamide