Task: Answer the MCQ question.
Query: Which compound has a 4.640\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. CC(=O)Nc1ccc(C(=O)NNC(=O)c2cc([N+](=O)[O-])cc([N+](=O)[O-])c2)cc1
b. O=CN1CCN(S(=O)(=O)c2ccc(Cl)c(C(=O)O)c2)CC1
c. CCCCN(CC)S(=O)(=O)c1ccc(C(=O)Nc2nnc(COC)o2)cc1
d. Cn1cnc(S(=O)(=O)NCc2cccs2)c1
e. CC(=O)Cc1ccccc1OCC(=O)O
Answer: b. O=CN1CCN(S(=O)(=O)c2ccc(Cl)c(C(=O)O)c2)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#}
O=CN1CCN(S(=O)(=O)c2ccc(Cl)c(C(=O)O)c2)CC1
O=CN1CCN(S(=O)(=O)c2ccc(Cl)c(C(=O)O)c2)CC1
[O][=C][N][C][C][N][Branch2][Ring1][#Branch2][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][Branch1][C][Cl][C][Branch1][=Branch1][C][=Branch1][C][=O][O][=C][Ring1][#Branch2][C][C][Ring2][Ring1][Ring1]
2-chloro-5-(4-formylpiperazin-1-yl)sulfonylbenzoic acid