Using CCOC(=O)c1cnn(C)c1C(=O)Nc1ccc2nc(N3CCOCC3)nn2c1 to produce Cn1ncc(C(=O)O)c1C(=O)Nc1ccc2nc(N3CCOCC3)nn2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.