Task: Answer the MCQ question.
Query: Which drug exhibits a 1.632\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: COc1ccc(/C(N)=N/OC(=O)c2ccc(C)c([N+](=O)[O-])c2)cc1
b: O=C(COC(=O)c1cccc(Cl)c1)Nc1ccc2[nH]c(=O)[nH]c2c1
c: CN(CC(=O)Nc1ccc(F)cc1)C(=O)COc1ccc([N+](=O)[O-])cc1Cl
d: Cc1oc(-c2ccccc2Cl)nc1CSc1nc2c(c(=O)[nH]1)CCC2
e: Cl.c1ccc(CC2CCCNC2)cc1
Answer: b. O=C(COC(=O)c1cccc(Cl)c1)Nc1ccc2[nH]c(=O)[nH]c2c1
{#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(COC(=O)c1cccc(Cl)c1)Nc1ccc2[nH]c(=O)[nH]c2c1
O=C(COC(=O)c1cccc(Cl)c1)Nc1ccc2[nH]c(=O)[nH]c2c1
2-[(3-chlorophenyl)-oxomethoxy]-N-(2-oxo-1,3-dihydrobenzimidazol-5-yl)acetamide