Using CCOC(=O)/C(=C/c1sc2cc(OC)c(OC)cc2c1Oc1ccc(OC)cc1)c1ccncc1 to produce COc1ccc(Oc2c(/C=C(/C(=O)O)c3ccncc3)sc3cc(OC)c(OC)cc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.