Using CCCCN1CC2CN(S(=O)(=O)c3ccc(NC(C)=O)cc3)CC(C1)C2(C)C to produce CCCCN1CC2CN(S(=O)(=O)c3ccc(N)cc3)CC(C1)C2(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.