Using COC(=O)COc1cccc2c1c1c(C(N)=O)cccc1n2Cc1c(F)cccc1F to produce NC(=O)c1cccc2c1c1c(OCC(=O)O)cccc1n2Cc1c(F)cccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.