Using CCS, COc1cc2c(Nc3cc(OC)c(Cl)cc3Cl)c(C#N)cnc2cc1F to produce CCSc1cc2ncc(C#N)c(Nc3cc(OC)c(Cl)cc3Cl)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.