Using CCOC(=O)c1cc(-c2ccc(OC)cc2)nc2c1cnn2C(C)C to produce COc1ccc(-c2cc(C(=O)O)c3cnn(C(C)C)c3n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.