Using CCOC(=O)c1sc(-n2cnc3cc(OC)c(OC)cc32)nc1-c1ccccc1 to produce COc1cc2ncn(-c3nc(-c4ccccc4)c(C(=O)O)s3)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.