Using CC(=O)O, C=CCOc1cc(CC(=O)OC)cc(OCC=C)c1 to produce C=CCOc1cc(CC(=O)OC)c(C(C)=O)c(OCC=C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.