Using CCOC(=O)CC(C)(Cc1ccc(OCCCNc2cccc[n+]2[O-])cc1)c1cccnc1 to produce CCOC(=O)CC(C)(Cc1ccc(OCCCNc2ccccn2)cc1)c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.