Using CCOC(=O)C(N)N=Nc1ccccc1C(=O)c1ccccn1, O=C(Cl)CCl to produce CCOC(=O)C(N=Nc1ccccc1C(=O)c1ccccn1)NC(=O)CCl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.