Task: Answer the MCQ question.
Query: Which drug exhibits a 6.309\% 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: CCCCC(=O)Nc1ccc(NC(=O)c2ccc([N+](=O)[O-])cc2Cl)cc1OC
b: Cc1ccc(S(=O)(=O)NNC(=O)c2cnn(-c3ccccc3)c2-n2cccc2)cc1
c: COc1cccc(CN2CCNC(=O)C2CC(=O)N(C)CC2CCOCC2)c1OC
Answer: a. CCCCC(=O)Nc1ccc(NC(=O)c2ccc([N+](=O)[O-])cc2Cl)cc1OC
{#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#}
CCCCC(=O)Nc1ccc(NC(=O)c2ccc([N+](=O)[O-])cc2Cl)cc1OC
CCCCC(=O)Nc1ccc(NC(=O)c2ccc([N+](=O)[O-])cc2Cl)cc1OC
2-chloro-N-[3-methoxy-4-(pentanoylamino)phenyl]-4-nitrobenzamide