Using O=C(NCc1ccc(F)cc1)c1nc(C(COCc2ccccc2)NCCCl)nc(O)c1O to produce O=C(NCc1ccc(F)cc1)c1nc2n(c(=O)c1O)CCNC2COCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.