Using CCn1c(=O)c(CCC(=O)O)c(-c2cccc(Cl)c2)c2ccc(C)nc21 to produce CCn1c(=O)c(CCCO)c(-c2cccc(Cl)c2)c2ccc(C)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.