Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 0.994\% 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, or d without using any other words.
Options:
a: C=CCn1c(NCc2ccc(N(C)C)cc2)nc2ccccc21
b: COCCn1c(-c2ccc(OC)cc2)c(-c2ccc(OC)cc2)oc1=O
c: CCN(CC)c1ccc(NC(=O)c2ccc(Br)o2)cc1
d: COc1ccccc1OCC(=O)NNC(=O)c1c(-c2ccccc2Cl)noc1C
Answer: c. CCN(CC)c1ccc(NC(=O)c2ccc(Br)o2)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)c1ccc(NC(=O)c2ccc(Br)o2)cc1
CCN(CC)c1ccc(NC(=O)c2ccc(Br)o2)cc1
5-bromo-N-[4-(diethylamino)phenyl]furan-2-carboxamide