Using COc1ccc(C(O)C(=O)N/N=C/c2ccc(O)c(OC)c2)cc1 to produce COc1ccc(C(O)C(=O)NNCc2ccc(O)c(OC)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.