Using O=C1NC(=O)c2ccccc21, OCCc1coc(/C=C/c2ccccc2)n1 to produce O=C1c2ccccc2C(=O)N1CCc1coc(/C=C/c2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.