Using COc1ccc(C=O)c(OC)c1C, COC(=O)CN=[N+]=[N-] to produce COC(=O)C(=Cc1cccc(C)c1OC)N=[N+]=[N-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.