Using CC(C)n1c(-c2ccnc(Nc3ccccc3)n2)cnc1C=O, CON to produce CON=Cc1ncc(-c2ccnc(Nc3ccccc3)n2)n1C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.