Using CCOC(=O)C(Cc1cccc(O)c1)NC(=O)OC(C)(C)C, BrCc1ccccc1 to produce CCOC(=O)C(Cc1cccc(OCc2ccccc2)c1)NC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.