Using COc1ccc2ccc(N3C(=O)c4ccccc4C3O)nc2n1, O=C(CCl)N1CCOCC1 to produce COc1ccc2ccc(N3C(=O)c4ccccc4C3OCC(=O)N3CCOCC3)nc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.