Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 19.886\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: Cl.NCCCC[C@H](NC(=O)C1CCNCC1)c1nnc([C@@H](N)Cc2ccc(O)cc2)o1
b: O=C(CCCNC(=O)c1ccc(Cl)cc1)NCc1ccccc1Cl
Answer: a. Cl.NCCCC[C@H](NC(=O)C1CCNCC1)c1nnc([C@@H](N)Cc2ccc(O)cc2)o1
{#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#}
Cl.NCCCC[C@H](NC(=O)C1CCNCC1)c1nnc([C@@H](N)Cc2ccc(O)cc2)o1
Cl.NCCCC[C@H](NC(=O)C1CCNCC1)c1nnc([C@@H](N)Cc2ccc(O)cc2)o1
N-[(1S)-5-amino-1-[5-[(1S)-1-amino-2-(4-hydroxyphenyl)ethyl]-1,3,4-oxadiazol-2-yl]pentyl]piperidine-4-carboxamide;hydrochloride