Using COC(=O)CCCc1nc(-c2ccc(OC)cc2)c(-c2cccnc2)s1 to produce COc1ccc(-c2nc(CCCCO)sc2-c2cccnc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.