Using CCOC=C(C(=O)OCC)C(=O)OCC, O=C1CNCCN1Cc1cccc(Cl)c1 to produce CCOC(=O)c1cn2c(c1O)C(=O)N(Cc1cccc(Cl)c1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.