Using CNc1nccc(-c2cccnc2Oc2ccc(N)cc2)n1, O=C(O)c1cccnc1F to produce CNc1nccc(-c2cccnc2Oc2ccc(NC(=O)c3cccnc3F)cc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.