Using Nc1nc(-c2ccccc2)cs1, CCOC(=O)C(Cc1ccccc1)C(=O)O to produce CCOC(=O)C(Cc1ccccc1)C(=O)Nc1nc(-c2ccccc2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.