Using COC(=O)c1ccc(OCCNC(=O)c2oc3ccccc3c2C)cc1, O=C1CCC(=O)N1Br to produce COC(=O)c1ccc(OCCNC(=O)c2oc3ccccc3c2CBr)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.