Using CC(=O)Nc1ccc(B(O)O)cc1, Brc1nc(Nc2ccc(N3CCOCC3)cc2)nc2[nH]ccc12 to produce CC(=O)Nc1ccc(-c2nc(Nc3ccc(N4CCOCC4)cc3)nc3[nH]ccc23)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.