Using Nc1ccc(O)cc1, O=C(NCCN1CCOCC1)c1cc(Cl)ccn1 to produce Nc1ccc(OC2(C(=O)NCCN3CCOCC3)C=CC=CN2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.