Using CC(=O)c1cccnc1Oc1ccc2c(nnn2CC(C)(C)C)c1Br to produce CC(O)c1cccnc1Oc1ccc2c(nnn2CC(C)(C)C)c1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.