Task: Answer the MCQ question.
Question: Which compound exhibits a 2.277\% 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. CCN(CC(=O)N1CCCC1)S(=O)(=O)c1ccc(Cl)cc1
b. CCOc1ccc(C(Nc2ccc(C)cc2)P2(=O)OCC(C)(C)CO2)cc1
c. COC(=O)C1=C(NC(=O)c2ccc(C)cc2)CCS1
d. O=[N+]([O-])c1cccc(-c2csc(N/N=C/c3cccc(O)c3)n2)c1
Answer: a. CCN(CC(=O)N1CCCC1)S(=O)(=O)c1ccc(Cl)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#}
CCN(CC(=O)N1CCCC1)S(=O)(=O)c1ccc(Cl)cc1
CCN(CC(=O)N1CCCC1)S(=O)(=O)c1ccc(Cl)cc1
[C][C][N][Branch1][=N][C][C][=Branch1][C][=O][N][C][C][C][C][Ring1][Branch1][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1]
4-chloro-N-ethyl-N-(2-oxo-2-pyrrolidin-1-ylethyl)benzenesulfonamide