Using O=C1c2ccccc2C(=O)N1O, CN(CCO)C(=O)OC(C)(C)C to produce CN(CCON1C(=O)c2ccccc2C1=O)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.