Using CCc1cc(C(=O)OC)c(=O)[nH]c1-c1ccc2c(c1)CCCN2C to produce CCc1cc(C(=O)O)c(=O)[nH]c1-c1ccc2c(c1)CCCN2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.