Using CCOC(=O)c1sc(-n2cnc3cc(OC)c(OC)cc32)nc1-c1ccccc1 to produce CCOC(=O)c1sc(-n2cnc3cc(O)c(O)cc32)nc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.