Using COc1ccc(NN)cc1, COc1ccc(C(=O)CC(=O)c2ccc(OC)cc2)cc1 to produce COc1ccc(-c2cc(-c3ccc(OC)cc3)n(-c3ccc(OC)cc3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.