Using O=Cc1ccc(Oc2ccc(CCNc3ncnc4scc(Cl)c34)cc2)nc1, CON to produce CON=Cc1ccc(Oc2ccc(CCNc3ncnc4scc(Cl)c34)cc2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.