Task: Answer the multiple choice question.
Question: Which drug exhibits a -6.780% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CCOCCCNC(=O)c1ccccc1NC(=O)C1=C(C)OCCS1
(b) CC(=O)c1c(C)[nH]c(C(=O)Nc2nccs2)c1C
(c) CCN1CCN(c2ccc(S(=O)(=O)N3CCCCC3)cc2NC(=O)Cc2ccc(Cl)c(Cl)c2)CC1
(d) CC1(c2ccc(OC(F)F)cc2)NC(=O)N(CC(=O)N2c3ccccc3NC(=O)C2(C)C)C1=O
Answer: d. CC1(c2ccc(OC(F)F)cc2)NC(=O)N(CC(=O)N2c3ccccc3NC(=O)C2(C)C)C1=O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CC1(c2ccc(OC(F)F)cc2)NC(=O)N(CC(=O)N2c3ccccc3NC(=O)C2(C)C)C1=O
CC1(c2ccc(OC(F)F)cc2)NC(=O)N(CC(=O)N2c3ccccc3NC(=O)C2(C)C)C1=O
5-[4-(difluoromethoxy)phenyl]-3-[2-(2,2-dimethyl-3-oxo-4H-quinoxalin-1-yl)-2-oxoethyl]-5-methylimidazolidine-2,4-dione