Using CC1(C)OB(c2ccc(N)cc2)OC1(C)C, CSc1c(Cl)nc(Cl)nc1N1CCOCC1 to produce CSc1c(Cl)nc(-c2ccc(N)cc2)nc1N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.