Using BrCCc1ccccc1, COP(=O)(CC(=O)OC(C)(C)C)OC to produce COP(=O)(OC)C(CCc1ccccc1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.