Using O=c1ccoc2ccc(OCCCNCC3COc4cc5c(cc4O3)OCO5)cc12 to produce c1cc2c(cc1OCCCNCC1COc3cc4c(cc3O1)OCO4)CCCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.