Using CS(=O)(=O)OCCc1ccc(NC(=O)OCc2ccccc2)cc1CCOS(C)(=O)=O, [S-2] to produce O=C(Nc1ccc2c(c1)CCSCC2)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.