Using NC(=O)Nc1[nH]c(-c2cccc(Cl)c2)cc1C(N)=O, COC(Cl)Cl to produce NC(=O)Nc1[nH]c(-c2cccc(Cl)c2)c(C=O)c1C(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.