Using CC1(C)OB(c2ccoc2C=O)OC1(C)C, CC(C)(C)OC(=O)N1CCOc2c(Br)cccc2C1 to produce CC(C)(C)OC(=O)N1CCOc2c(cccc2-c2ccoc2C=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.