Using CCOC(=O)c1ccc(-n2cc(C#N)c(-c3ccccc3O)c2)cc1OCOC, COCCCBr to produce CCOC(=O)c1ccc(-n2cc(C#N)c(-c3ccccc3OCCOC)c2)cc1OCOC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.