Using COC(=O)c1ccc(N(C(=O)OC(C)(C)C)S(C)(=O)=O)c(OCC2CC2)c1 to produce COC(=O)c1ccc(NS(C)(=O)=O)c(OCC2CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.