Using O=C(O)Cc1ccccc1, CCCCc1ncc(C=O)n1Cc1ccccc1Cl to produce CCCCc1ncc(/C=C(/C(=O)O)c2ccccc2)n1Cc1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.