Using CC(=O)Nc1n[nH]c2cc(-c3cc(N4CCOCC4)nc(N)n3)ccc12 to produce Nc1nc(-c2ccc3c(N)n[nH]c3c2)cc(N2CCOCC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.