Task: Answer the MCQ question.
Query: Which drug exhibits a 2.241\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a CC(=O)N1CCC2(CC1)C(C#N)=C(N)Oc1c2sc2nc(C)cc(C)c12
b CC(=O)N(c1ccc(C(F)(F)F)cc1)S(=O)(=O)c1ccc(N2C(=O)CCC2=O)cc1
c COc1ccc(N2CCN(CC(O)COc3cc(C)cc(C)c3)CC2)cc1.Cl
d CC(C1CC1)N(Cc1ccccc1)C(=O)NC(=O)c1ccccc1
e O=C(COC(=O)c1ccc(S(=O)(=O)C(F)F)cc1)NC(=O)NC1CCCCC1
Answer: a. CC(=O)N1CCC2(CC1)C(C#N)=C(N)Oc1c2sc2nc(C)cc(C)c12
{#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#}
CC(=O)N1CCC2(CC1)C(C#N)=C(N)Oc1c2sc2nc(C)cc(C)c12
CC(=O)N1CCC2(CC1)C(C#N)=C(N)Oc1c2sc2nc(C)cc(C)c12
1'-acetyl-4-amino-11,13-dimethylspiro[3-oxa-8-thia-10-azatricyclo[7.4.0.02,7]trideca-1(9),2(7),4,10,12-pentaene-6,4'-piperidine]-5-carbonitrile