Using CCN1C(=O)CC(C)(C)c2cc(C)c(-c3cc(C=CC(=O)OC(C)(C)C)ccc3OC(F)(F)F)cc21, C[S+](C)(C)=O to produce CCN1C(=O)CC(C)(C)c2cc(C)c(-c3cc(C4CC4C(=O)OC(C)(C)C)ccc3OC(F)(F)F)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.