Using O=CCC1CCOC1, COc1ccc(C2CC(=O)N(c3cccc(N)c3)C2)cc1OC1CCCC1 to produce COc1ccc(C2CC(=O)N(c3cccc(NCC4CCOC4)c3)C2)cc1OC1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.