Using O=C(Cl)Oc1ccccc1, NCCCOc1ccc2[nH]c(=O)ccc2c1 to produce O=C(NCCCOc1ccc2[nH]c(=O)ccc2c1)Oc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.