Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -4.988\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) O=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCN(Cc2ccc3c(c2)OCO3)CC1
(b) Cc1ccc(N2C(=O)Nc3ccc(Br)cc3C2(O)C(=O)NCCCN(C)C)cc1C
(c) O=c1c[n+]([O-])c2ccccc2n1OCc1ccccn1
(d) Nc1cc(Cl)cc(Cl)c1
Answer: a. O=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCN(Cc2ccc3c(c2)OCO3)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=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCN(Cc2ccc3c(c2)OCO3)CC1
O=C1Nc2ccc([N+](=O)[O-])cc2OC1CCN1CCN(Cc2ccc3c(c2)OCO3)CC1
[O][=C][N][C][=C][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][Ring1][=Branch2][O][C][Ring1][=N][C][C][N][C][C][N][Branch1][P][C][C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][O][Ring1][=Branch1][C][C][Ring1][S]
2-[2-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]ethyl]-7-nitro-4H-1,4-benzoxazin-3-one