Using CC(C)(C)OC(=O)N1CC(O)C1, Cc1nc(Cl)ccc1CBr to produce Cc1nc(Cl)ccc1COC1CN(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.