Using NCc1ccnc(-n2[nH]cc(-c3cccnc3)c2=O)c1, CC(=O)Cl to produce CC(=O)NCc1ccnc(-n2[nH]cc(-c3cccnc3)c2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.