Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 12.395\% 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, or d without using any additional words.
Options:
[a] CN(C(=O)C1CCCO1)c1nnc(-c2cnccn2)s1
[b] CCN(CC)S(=O)(=O)c1ccc(OC)c(NC(=O)C2CC(=O)N(c3ccc4c(c3)OCCO4)C2)c1
[c] COc1c2occc2c(OC(C)=O)c2c(=O)cc(C)oc12
[d] Cc1ccc2c(c1)C1(C(=O)N2C)N2CC3(C)CN1CC(C)(C2)C3=O
Answer: c. COc1c2occc2c(OC(C)=O)c2c(=O)cc(C)oc12
{#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#}
COc1c2occc2c(OC(C)=O)c2c(=O)cc(C)oc12
COc1c2occc2c(OC(C)=O)c2c(=O)cc(C)oc12
(9-methoxy-7-methyl-5-oxofuro[3,2-g]chromen-4-yl) acetate