Using O=C(O)CNC(=O)OCC1c2ccccc2-c2ccccc21, CNOC to produce CON(C)C(=O)CNC(=O)OCC1c2ccccc2-c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.