Using O=C1NC(=O)c2ccccc21, OCCCc1ccc(Cl)c2occc12 to produce O=C1c2ccccc2C(=O)N1CCCc1ccc(Cl)c2occc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.