Task: Answer the MCQ question.
Query: Which compound has a -0.994\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cc1ccc(N(CC(=O)Nc2ccc(F)cc2)S(=O)(=O)N2CCCC2)cc1
[b] O=C(c1ccco1)N1CCN(C(=O)C2c3ccccc3Oc3ccccc32)CC1
Answer: b. O=C(c1ccco1)N1CCN(C(=O)C2c3ccccc3Oc3ccccc32)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(c1ccco1)N1CCN(C(=O)C2c3ccccc3Oc3ccccc32)CC1
O=C(c1ccco1)N1CCN(C(=O)C2c3ccccc3Oc3ccccc32)CC1
[O][=C][Branch1][Branch2][C][=C][C][=C][O][Ring1][Branch1][N][C][C][N][Branch2][Ring1][=Branch2][C][=Branch1][C][=O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=C][C][C][Ring2][Ring1][=Branch1]
[4-(furan-2-carbonyl)piperazin-1-yl]-(9H-xanthen-9-yl)methanone