Using COc1ccc(Cl)cc1Nc1ccc(Cl)cc1N, O=C(n1ccnc1)n1ccnc1 to produce COc1ccc(Cl)cc1-n1c(=O)[nH]c2cc(Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.