Using CCc1c(C(=O)C(N)=O)c2c(OCC(=O)OC)nc(SC)nc2n1Cc1cccc(C(F)(F)F)c1 to produce CCc1c(C(=O)C(N)=O)c2c(OCC(=O)O)nc(SC)nc2n1Cc1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.