Using O=Cc1ccc2c(c1)OCCO2, CC(C)(C)OC(=O)NC1CCNCC1 to produce CC(C)(C)OC(=O)NC1CCN(Cc2ccc3c(c2)OCCO3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.