Using OCC1CCN(c2ccncc2)CC1, CC(C)(C)OC(=O)N1CCc2cc(O)ccc2C1 to produce CC(C)(C)OC(=O)N1CCc2cc(OCC3CCN(c4ccncc4)CC3)ccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.