Using BrCc1ccccc1, CCOC(=O)c1c(C(=O)OCC)c(OCC)c2ccccc2c1O to produce CCOC(=O)c1c(C(=O)OCC)c(OCc2ccccc2)c2ccccc2c1OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.