Using CC(C)(C)OC(=O)Cn1cc(C2NS(=O)(=O)c3ccccc32)c2cc(Cl)ccc21 to produce O=C(O)Cn1cc(C2NS(=O)(=O)c3ccccc32)c2cc(Cl)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.