Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 2.531\% 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 additional words.
Options:
a) Br.CN1CCc2cc(O)c(O)cc2C(c2ccccc2)C1
b) CCOC(=O)C1CCCN(C(=O)c2cc(CN3C(=O)c4ccccc4C3=O)ccc2OC)C1
c) O=C(COc1ccc(S(=O)(=O)N2CCOCC2)cc1)Nc1ccc(Cl)c(C(F)(F)F)c1
d) O=C(COc1ccc(C(=S)N2CCC(Cc3ccccc3)CC2)cc1)N1CCOCC1
e) CCOc1ccc(-c2[nH]nc3c2C(c2ccc(O)cc2)C(C#N)=C(N)O3)cc1
Answer: a. Br.CN1CCc2cc(O)c(O)cc2C(c2ccccc2)C1
{#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#}
Br.CN1CCc2cc(O)c(O)cc2C(c2ccccc2)C1
Br.CN1CCc2cc(O)c(O)cc2C(c2ccccc2)C1
3-methyl-5-phenyl-1,2,4,5-tetrahydro-3-benzazepine-7,8-diol;hydrobromide