Using O=C(O)Cc1cccc(NC(=O)OCc2ccccc2)c1, CNOC to produce CON(C)C(=O)Cc1cccc(NC(=O)OCc2ccccc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.