Using CCN1CC(=O)Nc2ncc(Br)nc21, CC1(C)OB(c2ccc(-c3nncn3C3CCCCO3)cc2)OC1(C)C to produce CCN1CC(=O)Nc2ncc(-c3ccc(-c4nncn4C4CCCCO4)cc3)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.