Using O=c1cc(O)c2ccccc2o1, O=C1c2ccccc2C(=O)N1CCCO to produce O=C1c2ccccc2C(=O)N1CCCOc1cc(=O)oc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.