Using O=C1NC(=O)c2ccccc21, O=CNCC(CCCI)(c1ccccc1)c1ccccc1 to produce O=CNCC(CCCN1C(=O)c2ccccc2C1=O)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.