Using COc1ccc(COC(=O)CN2C(=O)[C@H](Br)[C@H]2SCc2ccccc2)cc1 to produce O=C(O)CN1C(=O)[C@H](Br)[C@H]1SCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.