Using COC(=O)C1=CCCN(CCOC=C(c2cccc(OC)c2)c2ccccc2C)C1, ClCCl to produce COc1cccc(C(=COCCN2CCC=C(C(=O)O)C2)c2ccccc2C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.