Using CCOC(=O)c1cc(O)nn1CCNC(=O)OC(C)(C)C, BrCc1ccccc1 to produce CCOC(=O)c1cc(OCc2ccccc2)nn1CCNC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.