Using COC(=O)c1ccc(N2CCCC2=O)cc1N1CCCS1(=O)=O to produce O=C(O)c1ccc(N2CCCC2=O)cc1N1CCCS1(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.