Using CN1CCC(=O)CC1, Cc1cc(C)c2nc(C)n(Cc3ccc(NCC4CCNCC4)cc3)c2n1 to produce Cc1cc(C)c2nc(C)n(Cc3ccc(NCC4CCN(C5CCN(C)CC5)CC4)cc3)c2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.