Using CCOC(=O)CC(=O)C(F)(F)F, COc1ccc2c(c1)NCCCC2 to produce O=c1cc(C(F)(F)F)c2cc3c(cc2o1)NCCCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.