Using COCC1(CBr)COC1, COc1ccc(-c2cccc3c2CCC3=O)c(O)c1OCC1CC1 to produce COCC1(COc2c(-c3cccc4c3CCC4=O)ccc(OC)c2OCC2CC2)COC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.