Using CC(C)N(C)c1nc2c(nc1Br)CN(C(=O)OC(C)(C)C)CCO2, CB(O)O to produce Cc1nc2c(nc1N(C)C(C)C)OCCN(C(=O)OC(C)(C)C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.