Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 7.651\% 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 other words.
Options:
a COc1cc2sc(C)nc2c2sccc12
b CC[C@H](CO)NCCN[C@H](CC)CO.Cl
c Cc1ccc(-n2c(SCC(=O)NCCN3C(=O)CSC3=O)nnc2-c2ccccc2)cc1
d CC(=O)Oc1ccc2c(c1)O/C(=C\c1ccncc1)C2=O
Answer: a. COc1cc2sc(C)nc2c2sccc12
{#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#}
COc1cc2sc(C)nc2c2sccc12
COc1cc2sc(C)nc2c2sccc12
5-methoxy-2-methylthieno[2,3-e][1,3]benzothiazole