Using O=C(NCCCN1CCC(O)(Cc2ccccc2)CC1)c1ccc(OCc2ccccc2)cc1 to produce O=C(NCCCN1CCC(O)(Cc2ccccc2)CC1)c1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.