Using CN(C)CCC(NC(=O)Nc1ccc2c(c1)CCC2)c1ccc(C(=O)OCc2ccccc2)cc1 to produce CN(C)CCC(NC(=O)Nc1ccc2c(c1)CCC2)c1ccc(C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.