Using O=C(Cl)OCc1ccccc1, Nc1ccc2c(c1)C(=O)CCCC2 to produce O=C(Nc1ccc2c(c1)C(=O)CCCC2)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.