Using O=C(c1cc(-c2ccccc2)c(=O)n2c1-c1sccc1CC2)N1CCC(O)CC1 to produce O=C1CCN(C(=O)c2cc(-c3ccccc3)c(=O)n3c2-c2sccc2CC3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.