Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 6.429\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a CN1CCN(C(=O)C2=C[C@@H](c3ccc(C(F)(F)F)cc3)C[C@@H](OCCCCO)O2)CC1
b CCN(CC)C(=O)c1ccc(NC(=O)c2cc(S(=O)(=O)N3CCCCCC3)ccc2OC)cc1
Answer: a. CN1CCN(C(=O)C2=C[C@@H](c3ccc(C(F)(F)F)cc3)C[C@@H](OCCCCO)O2)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#}
CN1CCN(C(=O)C2=C[C@@H](c3ccc(C(F)(F)F)cc3)C[C@@H](OCCCCO)O2)CC1
CN1CCN(C(=O)C2=C[C@@H](c3ccc(C(F)(F)F)cc3)C[C@@H](OCCCCO)O2)CC1
[(2S,4S)-2-(4-hydroxybutoxy)-4-[4-(trifluoromethyl)phenyl]-3,4-dihydro-2H-pyran-6-yl]-(4-methylpiperazin-1-yl)methanone