Using CCOC(=O)C1CCCc2sc(NC(=O)C(C)c3ccccc3)nc21 to produce CC(C(=O)Nc1nc2c(s1)CCCC2C(=O)O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.