Using ClCc1nc(-c2ccccc2)oc1-c1ccccc1, O=C1NC(=O)c2ccccc21 to produce O=C1c2ccccc2C(=O)N1Cc1nc(-c2ccccc2)oc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.