Using O=C(Cl)c1ccccc1, Cc1ccc2[nH]c3c(c2c1)C(C(=O)OCc1ccccc1)CCC3 to produce Cc1ccc2c(c1)c1c(n2C(=O)c2ccccc2)CCCC1C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.