Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 4.131\% 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 additional words.
Options:
(a) CCOC(=O)C1C(c2ccccc2)C(C(=O)OCC)S(=O)(=O)C(CCN(CC)CC)S1(=O)=O
(b) O=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccccc2)CC1
(c) Nn1c(SCC(=O)NC2CCCCC2)nnc1C1CC1
(d) CCOc1cc(/C=N/Nc2ncc(C)c(=O)[nH]2)ccc1O
(e) CC(C)c1nnc(NC(=O)CC(=O)Nc2ccccc2C(=O)O)s1
Answer: b. O=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccccc2)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=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccccc2)CC1
O=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccccc2)CC1
(2-chloro-5-nitrophenyl)-(4-phenylpiperazin-1-yl)methanone