Using COc1cc(CNC(=O)OCc2ccccc2)ccc1O, COC(=O)CBr to produce COC(=O)COc1ccc(CNC(=O)OCc2ccccc2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.