Using O=C(c1ccc(OCCN2CCCCC2)cc1)c1c(Cc2ccccc2O)sc2cc(O)ccc12 to produce Oc1ccc2c3c(sc2c1)Cc1ccccc1OC3c1ccc(OCCN2CCCCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.