Using CC(C)c1c(Br)sc2c1O[C@@H](C)CN(C(=O)OC(C)(C)C)C2, CB(O)O to produce Cc1sc2c(c1C(C)C)O[C@@H](C)CN(C(=O)OC(C)(C)C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.