Using CCCOc1ccccc1C(=N)N, CCOC=C(C(=O)OCC)C(=O)OCC to produce CCCOc1ccccc1-c1ncc(C(=O)OCC)c(=O)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.