Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 1.442\% 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(C2C(C#N)=C(N)OC3=C2C(=O)CC(C)(C)C3)cc1Cn1cc([N+](=O)[O-])cn1
[b] CCOC(=O)c1ccc(-c2c(C(=O)OCC)oc3cc(O)c(CC)cc3c2=O)o1
[c] O=C(COC(=O)CCCSc1nc2ccccc2[nH]1)Nc1cccc2ccccc12
[d] CC(=O)Nc1ccc(C2=NNC(=Nc3ccc(S(=O)(=O)N4CCOCC4)cc3)SC2)cc1
Answer: b. CCOC(=O)c1ccc(-c2c(C(=O)OCC)oc3cc(O)c(CC)cc3c2=O)o1
{#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)c1ccc(-c2c(C(=O)OCC)oc3cc(O)c(CC)cc3c2=O)o1
CCOC(=O)c1ccc(-c2c(C(=O)OCC)oc3cc(O)c(CC)cc3c2=O)o1
ethyl 3-(5-ethoxycarbonylfuran-2-yl)-6-ethyl-7-hydroxy-4-oxochromene-2-carboxylate