Using CCN1C(=O)Cc2cc(Cl)cnc21, O=C(Cl)c1ccco1 to produce CCN1C(=O)C(C(=O)c2ccco2)c2cc(Cl)cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.