Using COc1cc(/C=C/C=C/C(=O)Nc2cccc(OC(=O)/C=C/C=C/c3cc(OC)c(OC)c(OC)c3)c2NC(=O)/C=C/C=C/c2cc(OC)c(OC)c(OC)c2)cc(OC)c1OC to produce COc1cc(/C=C/C=C/C(=O)Nc2cccc(O)c2NC(=O)/C=C/C=C/c2cc(OC)c(OC)c(OC)c2)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.