Using CCOC(=O)COc1cccc2c1c(CC(N)=O)c(C)n2Cc1cccc(Cl)c1 to produce Cc1c(CC(N)=O)c2c(OCC(=O)[O-])cccc2n1Cc1cccc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.