Using CCOC(=O)C(Br)c1ccc2c(c1)OCO2, CCCc1cc(C(=O)OC)ccc1O to produce CCCc1cc(C(=O)OC)ccc1OC(C(=O)OCC)c1ccc2c(c1)OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.