Using COc1ccc2c(n1)C(Br)(Br)C(=O)N2CCCOCc1ccccc1 to produce COc1ccc2c(n1)CC(=O)N2CCCOCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.