Using C=CCc1cc2c(cc1O)NC(=O)CC2, C=CCc1c(O)ccc2c1NC(=O)CC2 to produce C=CCOc1ccc2c(c1CC=C)NC(=O)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.