Using Nc1c(-c2cc(Cl)c3c(c2)OCO3)c(C(F)(F)F)nn1-c1ncccn1, CC(C)S(=O)C(C)C to produce CC(C)S(=Nc1c(-c2cc(Cl)c3c(c2)OCO3)c(C(F)(F)F)nn1-c1ncccn1)C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.