Using CCNC(=O)Nc1nc2cc(-c3cnc(N4CCC(C)(C(=O)OCC)CC4)nc3)cc(C(C)=O)c2s1, CON to produce CCNC(=O)Nc1nc2cc(-c3cnc(N4CCC(C)(C(=O)OCC)CC4)nc3)cc(/C(C)=N/OC)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.