Using COc1cccc2c1OCC(CN)O2, O=c1ccc2ccc(OCCCCl)cc2o1 to produce COc1cccc2c1OCC(CNCCCOc1ccc3ccc(=O)oc3c1)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.