Using CCOC(=O)N(CCBr)CCBr, COc1ccc2c(c1)CCC2=O to produce CCOC(=O)N1CCC2(CC1)Cc1cc(OC)ccc1C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.