Using CCc1c(C)c2c(c(NC(=O)N(C)C)c1C/C=C(\C)CCC(=O)OC)C(=O)OC2 to produce CCc1c(C)c2c(c(NC(=O)N(C)C)c1C/C=C(\C)CCC(=O)O)C(=O)OC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.