Problem statement: Answer the multiple choice question.
Query: Which compound has a 1.397\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CN1CCN(NC(=O)Nc2ccc(Br)cc2)CC1
[b] O=c1oc2ccccc2c(NCc2cccc(F)c2)c1[N+](=O)[O-]
[c] CCN1CCCC1CNC(=O)Cn1cnc2sc(C)c(S(=O)(=O)N3CCC(C)CC3)c2c1=O
[d] CC1(C)Cc2nc(-c3ccccc3)nc(SCC(O)CO)c2CO1
Answer: b. O=c1oc2ccccc2c(NCc2cccc(F)c2)c1[N+](=O)[O-]
{#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=c1oc2ccccc2c(NCc2cccc(F)c2)c1[N+](=O)[O-]
O=c1oc2ccccc2c(NCc2cccc(F)c2)c1[N+](=O)[O-]
4-[(3-fluorophenyl)methylamino]-3-nitrochromen-2-one