Problem statement: Answer the MCQ question.
Query: Which compound has a 19.251\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] O=C(Cc1ccc(Br)cc1)NCCc1ccccc1
[b] CCOc1ccc2[nH]c(S(=O)(=O)CC)nc2c1Cl
[c] O=P1(Nc2cccnc2)COc2ccccc2OC1
Answer: a. O=C(Cc1ccc(Br)cc1)NCCc1ccccc1
{#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(Cc1ccc(Br)cc1)NCCc1ccccc1
O=C(Cc1ccc(Br)cc1)NCCc1ccccc1
2-(4-bromophenyl)-N-(2-phenylethyl)acetamide