Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 4.971\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a COc1ccc(C2/C=C\CN(S(=O)(=O)c3ccc4ccccc4c3)CC(=O)N2Cc2ccc(F)cc2)cc1
b Br.c1cn2cc(CN3CCOCC3)nc2s1
c COC(=O)C(CSCc1ccccc1)NC(=O)CSc1nc(C)cc(=O)[nH]1
d COc1ccc(CNC(=S)Nc2ccc(OC)cc2)cc1
Answer: b. Br.c1cn2cc(CN3CCOCC3)nc2s1
{#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.c1cn2cc(CN3CCOCC3)nc2s1
Br.c1cn2cc(CN3CCOCC3)nc2s1
4-(imidazo[2,1-b][1,3]thiazol-6-ylmethyl)morpholine;hydrobromide