Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 14.074\% 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 O=C(CCC(=O)OCC(F)(F)C(F)F)Nc1ccccc1F
b O=c1c(C(c2ccc(Br)cc2)c2c(O)nc3n(c2=O)CCCS3)c(O)nc2n1CCCS2
c CCCCNC(=S)NNC(=O)c1ccc(Br)o1
d CC(C)(O)C#Cc1ccc(C(=O)NCc2ccccc2)s1
e CCCCc1ccc(NC(=S)NN2CCOCC2)cc1
Answer: b. O=c1c(C(c2ccc(Br)cc2)c2c(O)nc3n(c2=O)CCCS3)c(O)nc2n1CCCS2
{#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=c1c(C(c2ccc(Br)cc2)c2c(O)nc3n(c2=O)CCCS3)c(O)nc2n1CCCS2
O=c1c(C(c2ccc(Br)cc2)c2c(O)nc3n(c2=O)CCCS3)c(O)nc2n1CCCS2
7-[(4-bromophenyl)-(8-hydroxy-6-oxo-3,4-dihydro-2H-pyrimido[2,1-b][1,3]thiazin-7-yl)methyl]-8-hydroxy-3,4-dihydro-2H-pyrimido[2,1-b][1,3]thiazin-6-one