Using CCOc1nc2cc3c(cc2c(=O)o1)CCCC3, COC(=O)CC(C)=O to produce CCOC(=O)Nc1cc2c(cc1/C(O)=C(\C(C)=O)C(=O)OC)CCCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.