Using O=C1CN(c2ccccc2)C(=O)N1, O=C(Cl)c1ccc(Cl)cc1 to produce O=C1CN(c2ccccc2)C(=O)N1C(=O)c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.