Using CCOC=C(C(=O)OCC)C(=O)OCC, COc1ccc(C(=N)N)c(OC)c1 to produce CCOC(=O)c1cnc(-c2ccc(OC)cc2OC)[nH]c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.