Using COC(OC)c1nc2c(cc1CO)CCCN2C(=O)Nc1ccc(C(F)(F)F)cn1 to produce O=Cc1nc2c(cc1CO)CCCN2C(=O)Nc1ccc(C(F)(F)F)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.