Using COc1cc(C(=O)NCc2ccc(-c3noc(C)n3)cc2N(C)C(=O)C(F)(F)F)cc(OC)c1C to produce CNc1cc(-c2noc(C)n2)ccc1CNC(=O)c1cc(OC)c(C)c(OC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.