Using O=C1Nc2ccc(F)c(F)c2OC2(CCOCC2)C1N(Cc1ccccc1)Cc1ccccc1 to produce NC1C(=O)Nc2ccc(F)c(F)c2OC12CCOCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.