Using CCOC(=O)CBr, COC(=O)C1CCc2cc(C3CCCCC3)ccc21 to produce CCOC(=O)CC1(C(=O)OC)CCc2cc(C3CCCCC3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.