Using COC(=O)c1ccc(C(=O)NN)s1, CC(=O)c1nn(C)c(-c2ccc(Cl)c(Cl)c2)c1O to produce COC(=O)c1ccc(C(=O)NN=C(C)c2nn(C)c(-c3ccc(Cl)c(Cl)c3)c2O)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.