Using CCOC(=O)c1cc(C2=CCN(C(=O)OC(C)(C)C)CC2)nc2c1cnn2C(C)C to produce CCOC(=O)c1cc(C2CCN(C(=O)OC(C)(C)C)CC2)nc2c1cnn2C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.