Using O=C1NC(=O)c2ccccc21, Cc1cc(CCO)n(Cc2ccccc2)n1 to produce Cc1cc(CCN2C(=O)c3ccccc3C2=O)n(Cc2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.