Task: Answer the multiple-choice question.
Question: Which drug exhibits a 9.167\% 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.) CCOC(=O)c1cc2sccc2n1CC(=O)OC
b.) CCOc1ccc(C(=O)c2cc3ccc(O)cc3oc2=O)cc1
c.) O=C(N/N=C/c1ccccc1C(=O)O)c1cccc(S(=O)(=O)N2CCOCC2)c1
d.) O=C1C=C2C=C[C@H]3C[C@]2(O1)[C@@H]1CCCCN13
Answer: a. CCOC(=O)c1cc2sccc2n1CC(=O)OC
{#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#}
CCOC(=O)c1cc2sccc2n1CC(=O)OC
CCOC(=O)c1cc2sccc2n1CC(=O)OC
ethyl 4-(2-methoxy-2-oxoethyl)thieno[3,2-b]pyrrole-5-carboxylate