Using CNc1nccc(-c2cccnc2Oc2ccc(NC(=O)NCCCl)cc2C)n1 to produce CNc1nccc(-c2cccnc2Oc2ccc(N3CCNC3=O)cc2C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.