Using Cc1cc(C)n(-c2nc(Nc3ccc(Cl)cc3)cnc2N)n1, CC=O to produce CCNc1ncc(Nc2ccc(Cl)cc2)nc1-n1nc(C)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.