Using O=C(O)CCc1nc2c(F)c(F)cc(F)c2s1, CCOC(=O)CNCc1ccccc1 to produce CCOC(=O)CN(Cc1ccccc1)C(=O)CCc1nc2c(F)c(F)cc(F)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.