Task: Answer the MCQ question.
Query: Which drug exhibits a -4.672\% 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.) COc1ccc2cc(CCNS(=O)(=O)c3c(C)cc(C)cc3C)c(=O)[nH]c2c1
b.) c1ccc2sc(NC3=NCCN3)nc2c1
c.) Cc1cc(C)n(C(=O)c2cc3c(s2)CCCC3)n1
d.) Cc1ccc(-n2ncc3c2CC(C)(C)CC3NC(=O)Cc2c(C)noc2C)cc1
Answer: b. c1ccc2sc(NC3=NCCN3)nc2c1
{#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#}
c1ccc2sc(NC3=NCCN3)nc2c1
c1ccc2sc(NC3=NCCN3)nc2c1
N-(4,5-dihydro-1H-imidazol-2-yl)-1,3-benzothiazol-2-amine