Using CCOC(=O)C=C(C(=O)OCC)c1cccc2ncccc12, C[S+](C)(C)=O to produce CCOC(=O)C1CC1(C(=O)OCC)c1cccc2ncccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.