Using COC(OC)C(C)n1nnc2ccc(Oc3cc(F)c(C(F)(F)F)c(Cl)c3)cc21 to produce CC(C(=O)O)n1nnc2ccc(Oc3cc(F)c(C(F)(F)F)c(Cl)c3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.