Using CCOC(=O)CC1(O)CCC(C)(C)c2ccc(N=Nc3ccc(C(=O)OCC)cc3)cc21 to produce CCOC(=O)CC1=CCC(C)(C)c2ccc(N=Nc3ccc(C(=O)OCC)cc3)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.