Using CC(=O)c1ccc(OC=CC(C)C)cc1OCC(=O)O, CCCCCCC=Cc1ccc(C=O)cc1 to produce CCCCCC/C=C/c1ccc(C=CC(=O)c2ccc(OCC=C(C)C)cc2OCC(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.