Using CCOCn1cc(C(=O)OCC)c(=O)c2cc3cc(F)c(Cl)cc3nc21 to produce CCOCn1cc(C(=O)O)c(=O)c2cc3cc(F)c(Cl)cc3nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.