Using O=C(NC1(c2ccc(Cl)cc2)CC(C(=O)O)C1)c1ccccc1, CNOC to produce CON(C)C(=O)C1CC(NC(=O)c2ccccc2)(c2ccc(Cl)cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.