Using COC(=O)c1c(O)cccc1OCCCCNC(=O)OC(C)(C)C, BrCc1ccccc1 to produce COC(=O)c1c(OCCCCNC(=O)OC(C)(C)C)cccc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.