Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -21.776\% human ether-à-go-go related gene (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) C=CCN1C[C@@H](C)N(C(c2ccc(C(=O)N(CC)CC)cc2)c2cccc(OC)c2)C[C@@H]1C
b) Cc1ccc(C2=NNC(C(O)C(O)C(O)C(O)CO)S2)cc1
c) Cc1cc(Nc2ccccc2)nn1C(=O)c1ccc([N+](=O)[O-])cc1
Answer: a. C=CCN1C[C@@H](C)N(C(c2ccc(C(=O)N(CC)CC)cc2)c2cccc(OC)c2)C[C@@H]1C
{#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#}
C=CCN1C[C@@H](C)N(C(c2ccc(C(=O)N(CC)CC)cc2)c2cccc(OC)c2)C[C@@H]1C
C=CCN1C[C@@H](C)N(C(c2ccc(C(=O)N(CC)CC)cc2)c2cccc(OC)c2)C[C@@H]1C
4-[[(2R,5S)-2,5-dimethyl-4-prop-2-enylpiperazin-1-yl]-(3-methoxyphenyl)methyl]-N,N-diethylbenzamide