Using O=C(O)Cc1ccccn1, CC(C)Nc1cc(-c2ccc3nc(N)sc3c2)cnc1Cl to produce CC(C)Nc1cc(-c2ccc3nc(NC(=O)Cc4ccccn4)sc3c2)cnc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.