Problem statement: Answer the MCQ question.
Question: Which compound has a 5.816\% 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 or b without using any additional words.
Options:
[a] COc1ccc(-n2nc(C(=O)NCC(=O)NCCC3=CCCCC3)c3ccccc3c2=O)cc1
[b] CCN(CC)CCNC(=O)c1c(C)oc2cc(Br)c(OC)cc12
Answer: b. CCN(CC)CCNC(=O)c1c(C)oc2cc(Br)c(OC)cc12
{#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)CCNC(=O)c1c(C)oc2cc(Br)c(OC)cc12
CCN(CC)CCNC(=O)c1c(C)oc2cc(Br)c(OC)cc12
6-bromo-N-[2-(diethylamino)ethyl]-5-methoxy-2-methyl-1-benzofuran-3-carboxamide