Using CCC1=C(C(=O)OCc2ccccc2)C(c2ccc(F)c(F)c2)NC(OC)=N1, COC(=O)Cl to produce CCC1=C(C(=O)OCc2ccccc2)C(c2ccc(F)c(F)c2)N(C(=O)OC)C(OC)=N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.