Using O=C(C1CCCCC1)N(Cc1ccc(OC2CCCCO2)cc1)c1ccc(OCCN2CCCC2)cc1 to produce O=C(C1CCCCC1)N(Cc1ccc(O)cc1)c1ccc(OCCN2CCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.