Using OCC(O)COc1ccc(Cl)cc1, O=C(CBr)c1ccc(Cl)cc1 to produce Clc1ccc(OCC2COC(CBr)(c3ccc(Cl)cc3)O2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.